| UMMZ# | Species & Authority | Type | Country | State | Co. | Locality | Collector |
| 124503 | Acmella belli Preston | type | Lord Howe Island | Ponsonby, ex. Preston | |||
| 74333 | Acmella dohertyi Aldrich | cotype | Marang, Sumatra, Dutch East Indis | T.H. Aldrich | |||
| 124504 | Acmella howeinsulae preston | type | Lord Howe Island | Ponsonby, ex. Preston | |||
| 124505 | Acmella lidgbirdensis preston | type | Mt. Lidgbird, Lord Howe Island | Ponsonby, ex. Preston | |||
| 74374 | Adelomorpha aruana Mollendorff | cotype | Aru Islands, Dutch East Indies | Ponsonby Coll., ex. Mollendurff | |||
| 124051 | Advena campbelli unicolor preston | type-broken | Norfolk Island | Ponsonby, ex. Preston | |||
| 12449 | Advena campbelli unicolor preston | cotype | Norfolk Island | Preston | |||
| 234428 | Afrodonta perfida burnup | cotype | South Africa | Fern Kloof Grahamstown, Cape Colony | Phil L. Marsh | ||
| 72339 | Alcadia bellula Gundlach | cotype | Cuba | Yateras, Oriente | Hills Coll, Gundlach | ||
| 65898 | Alcadia russelli Clench | paratype | Bahamas | Arthurstown, Cat Island | Clench | ||
| 124053 | Alisonella elatior Preston | type | Harper Road Valley, Norfolk Island | Ponsonby, ex. Preston | |||
| 124009 | Allenella alleni Preston | type | Lord Howe Island | Ponsonby, ex. Preston | |||
| 124010 | Allenella belli Preston | type | Mt. Gower, Lord Howe Island | Ponsonby, ex. Preston | |||
| 124011 | Allenella conica Preston | type | North Bay, Lord Howe Island | Ponsonby, ex. Preston | |||
| 123729 | Allenella decussata Preston | type | Mt. Lidgbird, Lord Howe Island | Preston, Ponsonby Coll. | |||
| 123730 | Allenella dignami Preston | type | Mt. Lidgbird, Lord Howe Island | Preston, Ponsonby Coll. | |||
| 123731 | Allenella edwardi Preston | type | Mt. Lidgbird, Lord Howe Island | Preston, Ponsonby Coll. | |||
| 123732 | Allenella flavescens Preston | type | Lord Howe Island | Preston, Ponsonby Coll. | |||
| 123733 | Allenella fusca Preston | type | Lord Howe Island | Preston, Ponsonby Coll. | |||
| 124012 | Allenella gowerensis Preston | type | Mt. Gower, Lord Howe Island | Ponsonby, ex. Preston | |||
| 123716 | Allenella howeinsulae Preston | type | Mt. Gower, Lord Howe Island | Preston, Ponsonby Coll. | |||
| 123734 | Allenella innesi Preston | type | Mt. Lidgbird, Lord Howe Island | Preston, Ponsonby Coll. | |||
| 123735 | Allenella lidgbirdensis Preston | type | Mt. Lidgbird, Lord Howe Island | Preston, Ponsonby Coll. | |||
| 123717 | Allenella oscitans Preston | type | North Bay, Lord Howe Island | Preston, Ponsonby Coll. | |||
| 123721 | Allenella pallida Preston | type | Lord Howe Island | Preston, Ponsonby Coll. | |||
| 123736 | Allenella scopulorum Preston | type | Mt. Lidgbird, Lord Howe Island | Preston, Ponsonby Coll. | |||
| 142050 | Allenoconccha ordinaria Preston | Mt. Pitt, Norfolk Island, Oceanica | Preston | ||||
| 124419 | Allenoconcha alleni Preston | type | Mt. Pitt, Norfolk Island | Ponsonby, ex. Preston | |||
| 124476 | Allenoconcha alleni Preston | cotype | Norfolk Island | Ponsonby, ex. Preston | |||
| 124061 | Allenoconcha carringtonensis Preston | type | Carrington Rd., Norfolk Island | Ponsonby, ex. Preston | |||
| 124477 | Allenoconcha carringtonensis Preston | cotype | Carrington Rd., Norfolk Island | Ponsonby, ex. Preston | |||
| 137756 | Allenoconcha congener Preston | Norfolk Island, South Pacific Ocean | Preston | ||||
| 140102 | Allenoconcha congener Preston | type | Norfolk Island, Oceanica | Preston | |||
| 142046 | Allenoconcha congener Preston | cotype | Norfolk Island, Oceanica | Preston | |||
| 124480 | Allenoconcha nobbisana Preston | cotype | Norfolk Island | Ponsonby, ex. Preston | |||
| 124420 | Allenoconcha nobbsiana Preston | type | Steel's Point, Norfolk Island | Ponsonby, ex. Preston | |||
| 142049 | Allenoconcha nobbsiana Preston | Norfolk Island | Preston | ||||
| 124421 | Allenoconcha ordinaria Preston | type | Mt. Pitt, Norfolk | Ponsonby, ex. Preston | |||
| 124478 | Allenoconcha ordinaria Preston | cotype | Norfolk Island | Ponsonby, ex. Preston | |||
| 124422 | Allenoconcha papyracea Preston | type | Mt. Pitt, Norfolk Island | Ponsonby, ex. Preston | |||
| 124479 | Allenoconcha papyracea Preston | cotype | Now-Now Valley, Norfolk Island, Oceanica | Ponsonby, ex. Preston | |||
| 142051 | Allenoconcha papyracea Preston | Now-Now Valley, Norfolk Island, Oceanica | Preston | ||||
| 124052 | Allenoconcha pyramidalis Preston | type | Duncombe Bay, Norfolk Island | Ponsonby, ex. Preston | |||
| 124481 | Allenoconcha pyramidalis Preston | cotype | Norfolk Island | Ponsonby, ex. Preston | |||
| 123707 | Allenoconcha rosacea Preston | type | Lord Howe Island, S. Pacific | Preston, Ponsonby Coll. | |||
| 124062 | Allenoconcha rufobrunnea Preston | type | Burnt Pine Valley, Norfolk Island | Ponsonby, ex. Preston | |||
| 124482 | Allenoconcha rufobrunnea Preston | cotype | Burnt Pine Valley, Norfolk Island | Ponsonby, ex. Preston | |||
| 124063 | Allenoconcha soror Preston | type | J.E. Road, Norfolk Island | Ponsonby, ex. Preston | |||
| 124483 | Allenoconcha soror Preston | cotype | Norfolk Island | Ponsonby, ex. Preston | |||
| 124423 | Allenoconcha succinea Preston | type | Mt. Pitt, Norfolk Island | Ponsonby, ex. Preston | |||
| 123708 | Allenoconcha suffusa Preston | type | Mt. Lidgbird, Lord Howe Island | Preston, Ponsonby Coll. | |||
| 124424 | Allenoconcha youngiana Preston | type | Ball's Bay, Norfolk Island | Ponsonby, ex. Preston | |||
| 138064 | Allodiscus cooperi Suter | cotype | New Zealand | Poor Knights Island | Ponsonby coll. | ||
| 138089 | Allodiscus tholoides Suter | cotype | New Zealand | Whangaroa | Ponsonby coll. | ||
| 138095 | Allodiscus wairoaensis Suter | cotype | New Zealand | Wairoa Range | Ponsonby coll. | ||
| 88958 | Alycaeus conformis Fulton | cotype | Perak, Malay States | ex. H.C. Fulton | |||
| 88973 | Alycaeus damsangensis Godwin-Aus fen | cotype | India | Damsang Peak, Assam | Godwin-Austen | ||
| 88994 | Alycaeus fruhstoferi Mollendorff | cotype | Java | Ponsonby, ex. Fruhstorfer | |||
| 88997 | Alycaeus fultoni degenerans Fulton | cotype | Gormanton, British N. Borneo | ex. H.C. Fulton | |||
| 90158 | Alycaeus smithi Fulton | cotype | China | Yunnan | H.C. Fulton | ||
| 90170 | Alycaeus spratti Godwin-Ausfen | cotype | Pingoung, Shan Hills, Burma | Ponsonby, ex. Gowdin-Ausfen | |||
| 138634 | Am. Aldrichi insolita Hubricht | paratype | US | MO | Wayne | Coldwater Spring, Coldwater | Hubricht |
| 146148 | Amastra lahaiana Pilsbry and Cooke | paratype | US | HI | Olowalu, W. Maui | D. Thaanum | |
| 146153 | Amastra melanosis karensis Pilsbry and Cooke | paratype | US | HI | Waiohinu, Kav | D. Thaanum | |
| 146154 | Amastra metamorpha Pilsbry and Cooke | paratype | US | HI | Olowalu, W. Maui | D. Thaanum | |
| 146173 | Amastra obesa aurora Pilsbry and Cooke | paratype | US | HI | Auwahi, E. Maui | D. Thaanum | |
| 146195 | Amastra sykesi Pilsbry | paratype | US | HI | Halawa, Molokai | D. Thaanum | |
| 117983 | Amnicola annandalei Walker | type | Formosa | Taichu Province | W.W. Cort | ||
| 117984 | Amnicola annandalei Walker | cotype | Formosa | Taichu Province | W.W. Cort | ||
| 247754 | Amnicola brandi Drake | paratype | Mexico | Chihuahua | warm springs, Las Palomas | Drake | |
| 171561 | Amnicola brandi R J Drake | paratype | Mexico | Chihuahua | Districto Galeana | warm spring, Las Palomas | RJ Drake & CC Hoff |
| 119464 | Amnicola cisternina Walker | type | Guatemala | reservoir N of Guatemala City | A.A. Hinkley | ||
| 119465 | Amnicola cisternina Walker | cotype | Guatemala | reservoir N of Guatemala City | A.A. Hinkley | ||
| 69819 | Amnicola cochensensis Walker | type | Guatemala | Conchens R., Quiqua | A.A. Hinkley | ||
| 10218 | Amnicola conchensensis Walker | cotype | Guatemala | Conchens River | A.A. Hinkley | ||
| 160689 | Amnicola conchensensis Walker | type | Guatemala | Conchens R., Quirigua | A.A. Hinkley | ||
| 231085 | Amnicola dalli dalli Pilsbry & Beecher | topotype | US | FL | Orange | Wekiwa Springs | Fred G. Thompson |
| 10217 | Amnicola hinkleyi Walker | cotype | Guatemala | reservoir N of Guatemala City | A.A. Hinkley | ||
| 119489 | Amnicola hinkleyi Walker | type | Guatemala | reservoir N of Guatemala City | A.A. Hinkley | ||
| 119490 | Amnicola hinkleyi Walker | cotype | Guatemala | reservoir N of Guatemala City | A.A. Hinkley | ||
| 117363 | Amnicola letsoni Walker | type | US | NY | Niagara River, Goat Island | Miss J.E. Letson | |
| 10216 | Amnicola panzosensis Walker | cotype | Guatemala | Panzos | A.A. Hinkley | ||
| 119844 | Amnicola panzosensis Walker | type | Guatemala | Panzos | A.A. Hinkley | ||
| 119845 | Amnicola panzosensis Walker | cotype | Guatemala | Panzos | A.A. Hinkley | ||
| 65357 | Amnicola pasionensis Goodrich & vd Schalie | type | Guatemala | Subin River, at Trinidad, ca. 2 mi above Santa Teresa, Dept Peten | Henry van der Schalie | ||
| 120756 | Amnicola peracuta Pilsbry & Walker | type | US | TX | Navarro | Spivy's Lake | G.C. Heron |
| 209156 | Amnicola precursor | paratype | US | WI | Green Lake | Baker | |
| 138637 | Amnicola proserpina Hubricht | paratype | US | MO | Jefferson | Rice's Cave near Goldman | Hubricht |
| 216507 | Amnicola retromargo Thompson | type | US | FL | Putnam | Rice Creek at Fla. 100, 7.3 mi WNW Palatka | Fred G. Thompson |
| 216505 | Amnicola rhombostoma Thompson | type | US | FL | Clay | Peters Creek at Fla. 209, 3.5 mi NNW Green Cove Springs | Fred G. Thompson |
| 216506 | Amnicola rhombostoma Thompson | paratype | US | FL | Clay | Peters Creek at Fla. 209, 3.5 mi NNW Green Cove Springs | Fred G. Thompson |
| 119862 | Amnicola sinaica Pallary | type | Egypt | Marais au N de Cor, Sinai Peninsula | Pallary coll | ||
| 119863 | Amnicola sinaica Pallary | cotype | Egypt | Marais au N de Cor, Sinai Peninsula | Pallary coll | ||
| 121243 | Amnicola winkleyi mozleyi Walker | type | Canada | Manitoba | clay bank, Winnipeg | Alan Mozley | |
| 209171 | Amnicolagreenensis | holotype | US | WI | Green Lake | F.C. Baker & C. Judey | |
| 86025 | Amphicyclotus goldfussi Bttg. | paratype | Honduras | San Pedro Lula | Ponsonby | ||
| 195881 | Amphicyclotus parvus Thompson | paratype | El Salvador | Santa Ana, Metapan, Hacienda Monte Cristo +/- 2200m | Starrett & Uzzell | ||
| 195882 | Amphicyclotus parvus Thompson | holotype | El Salvador | Santa Ana, Metapan, Hacienda Monte Cristo +/- 2200m | Starrett & Uzzell | ||
| 216549 | Amphicyclotus paulsonorum Thompson | paratype | Mexico | Chiapas, 4.2 mi NW Escuintla | Fred G. Thompson | ||
| 136624 | Amphidoxa bogotensis Preston | cotype | Colombia | Bogota | Ponsonby coll. | ||
| 146523 | Amphidromus entobaptus contracta Mollendorff | cotype | Philippine Islands | Busuanga Island | Hermann Rolle | ||
| 146525 | Amphidromus entobaptus gracilis Mollendorff | cotype | Philippine Islands | Calamianes | Hermann Rolle | ||
| 146553 | Amphidromus ingens Mollendorff | cotype | French Indo-China | Anam | Hermann Rolle | ||
| 146578 | Amphidromus inversus roseotinctus Mollendorff | cotype | Siam | Tschaya | Hermann Rolle | ||
| 31850 | Ampullarius patula catemacensis H.B. Baker | type | Mexico | L. Catemaco | |||
| 10138 | Anculosa aldrichi Smith | paratype | US | AL | Chilton | Coosa River, near mouth of Yellowleaf Cr. | |
| 10139 | Anculosa aldrichi Smith | type | US | AL | Chilton | Coosa River, near mouth of Yellowleaf Cr. | |
| 36324 | Anculosa aldrichi Smith | paratype | US | AL | Chilton | Coosa River, near mouth of Yellowleaf Cr. | H.H. Smith |
| 10143 | Anculosa brevispira Smith | paratype | US | AL | Talladega | Coosa River, Ft. William Shoals | |
| 10144 | Anculosa brevispira Smith | type | US | AL | Talladega | Ft. William Shoals, Coosa River | |
| 39961 | Anculosa brevispira Smith | US | AL | Talladega | Coosa River, Ft. William Shoals | H.H. Smith | |
| 39962 | Anculosa brevispira Smith | paratype | US | AL | Chilton | Coosa River, The Bar | H.H. Smith |
| 39963 | Anculosa brevispira Smith | paratype | US | AL | Chilton | Coosa River, Duncan's Riffle | H.H. Smith |
| 10145 | Anculosa choccoloccensis Smith | type | US | AL | Talladega | Choccolocco Creek, Jackson Shoals | |
| 10147 | Anculosa clipeata | Weduska Shoals, Coosa River | |||||
| 39985 | Anculosa clipeata H.H. Smith | paratype | US | AL | Talladega | Coosa River, Three Island Shoals | H.H. Smith |
| 39986 | Anculosa clipeata H.H. Smith | paratype | US | AL | Talladega | Coosa River, Ft. William Shoals | H.H. Smith |
| 39987 | Anculosa clipeata H.H. Smith | paratype | US | AL | Shelby | Coosa River, Weduska Shoals | H.H. Smith |
| 39988 | Anculosa clipeata H.H. Smith | paratype | US | AL | Chilton | Coosa River, The Bar | H.H. Smith |
| 39989 | Anculosa clipeata H.H. Smith | paratype | US | AL | Chilton | Coosa River, near mouth of Yellowleaf Cr. | H.H. Smith |
| 39990 | Anculosa clipeata H.H. Smith | paratype | US | AL | Coosa | Coosa River, Butting Ram Shoals | H.H. Smith |
| 10146 | Anculosa clipeata Smith | type | US | AL | Talladega | Coosa River, Ft. William Shoals | |
| 10148 | Anculosa clipeata Smith | paratype | US | AL | Talladega | Ft. William Shoals, Coosa River | |
| 39991 | Anculosa flexuosa H.H. Smith | paratype | US | AL | Coosa River, Wetumpka | H.H. Smith | |
| 10153 | Anculosa flexuosa Smith | paratype | US | AL | Wetumpka, Coosa River | ||
| 10154 | Anculosa flexuosa Smith | type | US | AL | Coosa River, Wetumpka | ||
| 10168 | Anculosa lirata | type | US | AL | Talladega | Ft. William Shoals, Coosa River | |
| 10170 | Anculosa mimica Smith | type | US | AL | Bibb | Little Cahaba River, 3 mi E of Piper | |
| 10171 | Anculosa mimica Smith | paratype | US | AL | Bibb | Little Cahaba River, 3 mi E of Piper | |
| 37255 | Anculosa mimica Smith | paratype | US | AL | Bibb | Little Cahaba River, 3 mi SE of Piper | H.H. Smith |
| 42006 | Anculosa mimica Smith | US | AL | Bibb | Little Cahaba River, 3 mi E of Piper | Herbert H. Smith | |
| 10172 | Anculosa modesta Smith | type | US | AL | Cherokee | Coosa River, Riddle's Bend | |
| 10173 | Anculosa occulata Smith | type | US | AL | Chilton | Coosa River, Duncan's Riffle | |
| 10174 | Anculosa occulata Smith | paratype | |||||
| 37311 | Anculosa occultata Smith | paratype | US | AL | Coosa | Coosa River, Butting Ram Shoals | H.H. Smith |
| 37312 | Anculosa occultata Smith | paratype | US | AL | Chilton | Coosa River, near mouth of Yellowleaf Cr. | H.H. Smith |
| 37313 | Anculosa occultata Smith | paratype | US | AL | Chilton | Coosa River, The Bar | H.H. Smith |
| 37314 | Anculosa occultata Smith | paratype | US | AL | Chilton | Coosa River, Higgins Ferry | H.H. Smith |
| 37315 | Anculosa occultata Smith | paratype | US | AL | Chilton | Coosa River, Duncan's Riffle | H.H. Smith |
| 10182 | Anculosa smithi Goodrich | paratype | US | AL | Jefferson | Toadvine, Valley Creek | |
| 10183 | Anculosa smithi Goodrich | type | US | AL | Jefferson | Valley Cr., Toadvine | |
| 37256 | Anculosa smithi Goodrich | paratype | US | AL | Jefferson | Valley Cr., near Toadvine | H.H. Smith |
| 10184 | Anculosa sulcata Smith | type | US | AL | St. Clair | Coosa River, 10-island Shoals | |
| 10185 | Anculosa sulcata Smith | paratype | US | AL | St. Clair | Coosa River, Ten-Island Shoals | |
| 36325 | Anculosa sulcata Smith | paratype | US | AL | St. Clair | Coosa River, Ten-Island Shoals | H.H. Smith |
| 36326 | Anculosa sulcata Smith | paratype | US | AL | St. Clair | Coosa River, Lock 2 | H.H. Smith |
| 36327 | Anculosa sulcata Smith | paratype | US | AL | Talladega | Coosa River, Hall's Island | H.H. Smith |
| 36328 | Anculosa sulcata Smith | paratype | US | AL | Talladega | Coosa River, Three-Island Shoals | H.H. Smith |
| 36329 | Anculosa sulcata Smith | paratype | US | AL | Talladega | Coosa River, Ft. William Shoals | H.H. Smith |
| 53003 | Anculosa sulcata Smith | US | AL | Coosa River, shoal below mouth of Kelly's Cr | Herbert H. Smith | ||
| 10189 | Anculosa torrefacta Smith | type | US | AL | Shelby | Coosa River, Weduska Shoals | |
| 10190 | Anculosa torrefacta Smith | paratype | US | AL | Shelby | Coosa River, Weduska Shoals | |
| 39960 | Anculosa torrefacta Smith | paratype | US | AL | Shelby | Coosa River, Weduska Shoals | H.H. Smith |
| 42513 | Anculosa tryoni Lewis | paratype | US | TN | Holston River | Miss A. Law | |
| 125631 | Anguispira alternata crassa "Clapp" Walker | holotype | US | AL | Elmore | Wetumpka | H.H. Smith |
| 125641 | Anguispira alternata mcneilli Walker | holotype | US | AL | Mobile | Salco | L.H. McNeill |
| 125653 | Anguispira alternata palustris "Clapp" | holotype | US | AL | Jackson | Princeton | H.H. Smith |
| 253654 | Anguispira alternata Say | reversed | US | MI | Hillsdale | 2 mi S of Reading | |
| 125661 | Anguispira alternata smithi Walker | holotype | US | AL | Madison | Huntsville | H.H. Smith |
| 125662 | Anguispira alternata smithi Walker | paratype | US | AL | Madison | Monto Sano, near base, Huntsville | H.H. Smith |
| 125669 | Anguispira cumberlandiana Clapp | paratype | US | AL | Madison | Huntsville district | H.H. Smith |
| 125671 | Anguispira picta Clapp | paratype | US | TN | Franklin | Buck Creek Cove [or No Buisiness Cov] 3 mi N of Anderson | H.H. Smith |
| 5205 | Anguispira solitaria Clapp - Pyramidula solitaria roseoapiciata | paratype | Canada | ON | North Harbor Island, Lake Erie | Walker | |
| 5207 | Anguispira solitaria mynesites Clapp - Pyramidula | paratype | US | OH | Mouse Island, Lake Erie | Walker | |
| 126163 | Anguispira solitaria strontiana Clapp | paratype | US | OH | Green Island, Lake Erie | Walker | |
| 126163 | Anguispira solitaria strontiana Clapp | paratype | US | OH | Green Island, Lake Erie | Walker | |
| 5206 | Anguispira solitaria strontiana Clapp - Pyramidula | paratype | US | OH | Green Island, Lake Erie | Walker | |
| 34574 | Anguispira/ Pyramidula solitaria strontiana Clapp | cotype | Canada | ON | Middle Sister Island, Lake Erie | C. Goodrich | |
| 33824 | Anguispira/Pyramidula solitaria strontiana Clapp | cotype | US | OH | Green Island, Lake Erie | C. Goodrich | |
| 185499 | Anisospira (dissotropis) henryi Solem | holotype | Mexico | Michoacan | La Placita (=Sulatillo), Sierra de Coalcoman, 50-100' | J.A. Peters | |
| 185500 | Anisospira (dissotropis) henryi Solem | paratype | Mexico | Michoacan | La Placita (=Sulatillo), Sierra de Coalcoman, 50-100' | J.A. Peters | |
| 78940 | Annularia eburnea Gundlach | cotype | Cuba | Ramon de la Yaguas, Oriente | Hills coll, ex. Gundlach | ||
| 79003 | Annularita williamsoni H.B.B. | holotype | Venezuela | Quebrada, near Aroa | H.B. Baker | ||
| 79004 | Annularita williamsoni H.B.B. | paratype | Venezuela | Quebrada, near Aroa | H.B. Baker | ||
| 79006 | Annularita williamsoni H.B.B. | paratype | Venezuela | Aroa | H.B. Baker | ||
| 47926 | Annularita williamsoni secana H.B.B. | type | Venezuela | Near Quebrado Seca, Cerritas de Yumanto | H.B. Baker | ||
| 79007 | Annularita williamsoni secana H.B.B. | holotype | Venezuela | Near Quebrada Seca, Cerritas de Yumanto | H.B. Baker | ||
| 79008 | Annularita williamsonisecana H.B.B | paratype | Venezuela | Near Quebrada Seca, Cerritas de Yumanto | H.B. Baker | ||
| 184839 | Anostoma baileyi Solem | holotype | Brazil | Salobroa, Matto Grosso | J.R. Bailey | ||
| 184840 | Anostoma baileyi Solem | paratype | Brazil | Salobroa, Matto Grosso | J.R. Bailey | ||
| 87049 | Aperostoma Walkeri H.H.B. | paratype | Mexico | Necaxa | H.B. Baker | ||
| 72216 | Aphanoconia sykesi Rolle | cotype | Tukan Bessi, Dutch E. Indies | Ponsonby coll. | |||
| 49990 | Aplexa hypnorum tryoni Currier | cotype | US | MI | Kent | Grand Rapids | |
| 142609 | Aplexa hypnorum tryoni Currier | type | US | MI | Kent | Grand Rapids | Currier |
| 56146 | Aplexa microstriata Chamberlin & Berry | paratype | US | UT | Wayne | Fish Lake | (Elmer) E.G. Berry |
| 166979 | Aplexa microstriata Chamberlin & Berry | paratype | US | UT | Wayne | Fish Lake, Henry Mtns. | E.G. Berry |
| 82098 | Arabia bentiana daliyana Pal. | cotype | Arabia | Gebel Daliya | Pallary coll | ||
| 82107 | Arabia lucida Pallary | cotype | Arabia | Gebel Duggum, Mokalla | Pallary coll | ||
| 79773 | Ariophanta fuscostrigata Fult. | cotype | Manguli Island, Xulla Island, Dutch E. Indies | ex. H.C. Fulton | |||
| 79776 | Ariophanta innata Fulton | cotype | Annam, French Indo-China | ex. H.C. Fulton | |||
| 230622 | Armina wattla Macus and Marcus | type alcohol | US | GA | Sapelo Islands | M. Gray | |
| 230623 | Armina wattla Macus and Marcus | paratype | US | GA | Sapelo Islands | M. Gray | |
| 141707 | Arnouldia eremias Mel & Pon. | cotype | India | Dhofar | |||
| 184842 | Artemon pilsbryi Solem | holotype | Brazil | Salobroa, Matto Grosso | J.R. Bailey | ||
| 135151 | Ashmunella danielsi dispar Pilsbry & Ferriss | cotype | US | NM | Socorro | Little Whitewater Canyon, Glenwood, Mogollon Mts. | Ferriss & Daniels |
| 234612 | Ashmunella danielsi dispar Pilsbry & Ferriss | cotype | US | NM | Socorro | Little White Water Canyon, Glenwood, Mogollon Mts. | Ferriss & Daniels |
| 135145 | Ashmunella danielsi Pilsbry & Ferriss | cotype | US | NM | Socorro | Cave Springs Canyon, Mogollon Mts. | Ferriss & Daniels |
| 135146 | Ashmunella danielsi Pilsbry & Ferriss | type | US | NM | Socorro | Cave Springs Canyon, 1/2m. Below Kitts Cabin, Mogollon Mts. | Ferriss & Daniels |
| 234609 | Ashmunella danielsi Pilsbry & Ferriss | cotype | US | NM | Socorro | Cave Springs Canyon, Mogollon Mts. | Ferriss & Daniels |
| 135152 | Ashmunella duplidens Pilsbry | cotype | US | AZ | Cochise | Barfoot Park, Chiricahua Mts. | |
| 135159 | Ashmunella esuritor Pilsbry | cotype | US | AZ | Cochise | Barfoot Park, Chiricahua Mts. | Ferriss |
| 135168 | Ashmunella fissidens pomerayana Pilsbry & Ferriss | cotype | US | AZ | Cochise | Hands Pass., Chiricahua Mts. | Ferriss |
| 135170 | Ashmunella lepiderma Pilsbry & Ferriss | cotype | US | AZ | Cochise | Whitetail Canyon, Chiricahua Mts. | Pilsbry & Ferriss |
| 135183 | Ashmunella levettei bifurca Pilsbry & Ferriss | cotype | US | AZ | Cochise | Tanner's Canyon, Huachuca Mts. | Ferriss & Daniels |
| 135114 | Ashmunella proxima albicauda Pilsbry & Ferriss | cotype | US | AZ | Cochise | Whitetail Canyon, Chiricahua Mts. | Pilsbry & Ferriss |
| 135241 | Ashmunella proxima emigrans Pilsbry | cotype | US | AZ | Cochise | Emigrant Mt., Huachuca Mts. | Pilsbry & Ferriss |
| 135238 | Ashmunella proxima Pilsbury | cotype | US | AZ | Cochise | Sawmill Canyon, Chiricahua Mts. | Ferriss |
| 231087 | Ashmunella rileyensis Metcalf | paratype | US | NM | Dona Ana | Mt. Riley, NE mtn. & Hurley | Metcalf. Al. & Hurley |
| 135274 | Ashmunella tetradon inermis Pilsbry & Ferriss | cotype | US | NM | Socorro | Dry Creek Canyon, above box, Mogollon Mts. | Ferriss & Daniels |
| 135258 | Ashmunella tetradon Pilsbry & Ferriss | cotype | US | AZ | Socorro | Big Dry Creek, Mogollon Mts. | Ferriss & Daniels |
| 234668 | Ashmunella tetradon Pilsbry & Ferriss | cotype | US | NM | Socorro | Big Dry Creek, Mogollon Mts. | Ferriss & Daniels |
| 135295 | Ashmunella varicifera Ancey | type | US | AZ | Pima | Tucson | Ancey Collection |
| 135290 | Ashmunella walkeri Ferriss | cotype | US | NM | Luna | Florida Mts. | Ferriss |
| 74232 | Assiminea hiradoensis Pilsbry & Hirase | cotype | Japan | Hirado, Hizen | Y. Hirase | ||
| 74314 | Assiminea vagans Pils. | cotype | Japan | Hahajima, Ogasawara | Y. Hirase | ||
| 141217 | Auriculella lanaiensis Cooke | cotype | US | HI | Lanai, Hawaiian Islands | D. Thaanum | |
| 196001 | Averellia inflata Thompson | paratype | S. slope Volcan San Martin, Sierra de los Tuxtlas, Veracruz, "El Fuente" | W.E. Duallman | |||
| 196002 | Averellia inflata Thompson | holotype | S. slope Volcan San Martin, Sierra de los Tuxtlas, Veracruz "El Fuente" | W.E. Duallman | |||
| 178204 | Baccinum pemphigus major Dall | paratype | Albatross Sta. 3643 SE of Kamchatka, Bering Sea | ||||
| 148631 | Balea perversa malleyi Caziot | cotype | France | Chateau Bourbon | |||
| 26087 | Benthonella gaza Dall | 780 fue. 10m off Cuba | |||||
| 220142 | Biomphaloria kansasensis Berry | holotype | US | KS | Meade | Spring Creek local fauna, Ballard Fm., early Plaistocene | C.W. Hibbard et. Al. UMMP |
| 220143 | Biomphaloria kansasensis Berry | paratype | US | KS | Meade | Spring Creek local fauna, Ballard Fm., early Plaistocene | C.W. Hibbard et. Al. UMMP |
| 141899 | Brachypodella alba occidentalis Pils. | cotype | Jamaica | Great Valley Estate, Hanover | G.H. Clapp | ||
| 31739 | Brachypodella gibbousi H.B.B. | type | Dutch Leeward Islands | Montague, Bonaire | H.B. Baker | ||
| 31735 | Brachypodella raveni arubana H.B.B | type | Dutch Leeward Islands | Seroe Pretoe, Aruba | H.B. Baker | ||
| 42495 | Brachypodella raveni arubana H.B.B | paratype | Aruba, Dutch Leeward Islnads | H.B. Baker | |||
| 141939 | Brachypodella raveni arubana H.B.B | paratype | South Aruba, Ductch Leeward Islands | H.B. Baker | |||
| 31736 | Brachypodella raveni arubana H.B.B | paratype | Dutch Leeward Islands | Southern Aruba | H.B. Baker | ||
| 31742 | Brachypodella raveni knipensis H.B.B | type | Dutch Leeward Islands | Seroe Djerine, Curacao | H.B. Baker | ||
| 31743 | Brachypodella raveni knipensis H.B.B | paratype | Dutch Leeward Islands | Seroe Djerine, Curacao | H.B. Baker | ||
| 31744 | Brachypodella raveni knipensis H.B.B | paratype | Dutch Leeward Islands | Seroe di Boca | H.B. Baker | ||
| 31745 | Brachypodella raveni knipensis H.B.B. | paratype | Dutch Leeward Islands | Sint Hyronimusberg | H.B. Baker | ||
| 141940 | Brachypodella raveni knipensis H.B.B. | paratype | Northern Curacao, Dutch Leeward Islands | H.B. Baker | |||
| 31730 | Brachypodella raveni sanctae-barbarae H.B.B | paratype | New Port, Dutch Leeward Islands | H.B. Baker | |||
| 31731 | Brachypodella raveni sanctae-barbarae H.B.B | type | Dutch Leeward Islands | Jafelberg of Santa Barbara | H.B. Baker | ||
| 31732 | Brachypodella raveni sanctae-barbarae H.B.B | paratype | Dutch Leeward Islands | Jafelberg of Santa Barbara | H.B. Baker | ||
| 141941 | Brachypodella raveni sanctae-barbarae H.B.B | paratype | Tafelberg, Santa Barbara, Dutch Leeward Islands | H.B. Baker | |||
| 31737 | Brachypodella raveniarubana H.B.B | paratype | Dutch Leeward Islands | Rooi Frances | H.B. Baker | ||
| 31738 | Brachypodella raveniarubana H.B.B | paratype | Dutch Leeward Islands | Seroe Canshito | H.B. Baker | ||
| 123918 | Bulimulus clarki Preston | type | Argentina | Territory of Formosa | Preston | ||
| 123920 | Bulimulus consanguineus Preston | type | Chile | Atacama | Preston | ||
| 202669 | Bulimulus cora chilitensis Weyrauch | paratype | Peru | above Chilete, Rio Chequeteque | |||
| 123497 | Bulimulus corumbaensis opimus Preston | cotype | Brazil | Puerto Suarez, Matto Grosso | Preston | ||
| 4508 | Bulimulus haematospira Pils. | type | South America | ||||
| 123923 | Bulimulus interruptus pallidus Preston | cotype | Venezuela | Merida | Preston | ||
| 123924 | Bulimulus johnstoni Hanna | cotype | Santa Catalina Island, Gulf of California | F.C. Baker | |||
| 123764 | Bulimulus montivagus chacoensis Preston | cotype | Bolivia | Chaco | H.C. Fulton | ||
| 238562 | Bulimulus quitensis jacksoni Rehder | paratype | Ecuador | Huayabamba | |||
| 138555 | Bulimulus quitensis orinus Rehder | paratype | Ecuador | Riobamba | |||
| 238567 | Bulimulus quitensis orinus Rehder | paratype | Ecuador | Riobamba | |||
| 238563 | Bulimulus quitensis pillarensis | paratype | Ecuador | Rehder Pillaro | |||
| 138557 | Bulimulus quitensis pillarensis Rehder | paratype | Ecuador | Pillaro | |||
| 124257 | Bulimulus rochai Fred Baker | cotype | Brazil | Ceara Mirim | Fred Baker | ||
| 124259 | Bulimulus rochai taipuensis Fred Baker | cotype | Brazil | Taipu | Fred Baker | ||
| 60427 | Bulimulus sanmarcosensis Pilsbry & Lowe | paratype | Mexico | San Marcos Island, Gulf of California | Lowe | ||
| 35440 | Bulimulus steeri Pils. | type | Peru | San Bartholomea | U of M | ||
| 123394 | Bulimulus thamnoicus d'Orbigny | cotype | Bolivia | J.R. Tomlin Coll. | |||
| 124262 | Bulimulus ximenez Hanna | cotype | Marquez Bay, Carmen Island, Gulf of California | F.C. Baker | |||
| 86863 | Bulimus contortus rugosus Pallary | type | Egypt | Tourah (Turra) | Paul Pallary | ||
| 86890 | Bulinus hirasei Clench | paratype | Japan | prov. Of Kawachi | Y. Hirase | ||
| 86923 | Bulinus tunesi distortus Pallary | type | Egypt | Cairo | Paul Pallary | ||
| 204304 | Bunnya bernadinae H.B.B. | holotype | Mexico | El Desierto de los Leones, D.F. | |||
| 102452 | Burnupia brunnea Walker | type | South Africa | Zoutspansberg, Transvaal | H.C. Burnup | ||
| 102479 | Burnupia capensis nataleusis Walker | type | South Africa | Umnlatuzani River, Malvern, Natal | H.C. Burnup | ||
| 102467 | Burnupia capensis Walker | type | South Africa | Lakeside, Cape Peninsula | M. Connolly | ||
| 102527 | Burnupia obtusata Walker | type | South Africa | Bishopstowe Road, Maritzburg, Natal | H.C. Burnup | ||
| 102532 | Burnupia ponsonbyi diminutiva Walker | type | South Africa | Vaal River, Christiana, Transvaal | M. Connolly | ||
| 102528 | Burnupia ponsonbyi Walker | type | South Africa | Umgeni River, Natal | Ponsonby Coll. | ||
| 102605 | Burnupia transvaalensis apicata Walker | type | South Africa | Vaal River, Boshof, Orange Free State | H.C. Burnup | ||
| 102620 | Burnupia vulcana Walker | type | South Africa | Mooi River, Patochefstroom, Transvaal | H.C. Burnup | ||
| 116299 | Bythinia arabica Pallary | type | Egypt | Seib, Sinai Pen | Paul Pallary coll | ||
| 116740 | Bythinia funiculata Walker | type | Siam | River Menam-Pinh, a Xieng Moi, Laos | Dautzenberg Coll. | ||
| 116741 | Bythinia funiculata Walker | cotype | Siam | River Menam-Pinh, a Xieng Moi, Laos | Dautzenberg Coll. | ||
| 116795 | Bythinia morleti Wattebled | cotype | French Indo-China | Hue, Annam | Dautzenberg Coll. | ||
| 116876 | Bythinia thatkeana Walker | type | French Indo-China | Yen Bay, Tonkin | MacAndrews Coll. | ||
| 116877 | Bythinia thatkeana Walker | cotype | French Indo-China | Yen Bay, Tonkin | MacAndrews Coll. | ||
| 140009 | Caeciliodes aegyptica Pallary | type | Egypt | Mariout | Paul Pallary | ||
| 140010 | Caeciliodes clarki Preston | type | Argentina | Formosa Territory | H.B. Preston | ||
| 140104 | Calaxis clarki Preston | cotype | Argentina | Formosa Territory | H.B. Preston | ||
| 140006 | Calaxis hierosolymarum mixta Pallary | type | Syria | Beyrouth | Paul Pallary | ||
| 140008 | Calaxis terebellum edentula Pallary | type | Egypt | Mariout | Paul Pallary | ||
| 69387 | Calaxis terebellum Pallary | cotype | Egypt | Manout | Paul Pallary | ||
| 69387 | Calaxis terebellum Pallary | cotype | Egypt | Manouti | Paul Pallary | ||
| 140007 | Calaxis terebellum Pallary | type | Egypt | Mariout | Paul Pallary | ||
| 140103 | Calaxis terebellum Pallary | cotype | Egypt | Mariout | Paul Pallary | ||
| 141998 | Calaxis unidentata Jickeli | cotype | unknown | Paul Pallary | |||
| 181104 | Calipyrgula hibbardi Leonard & Franzen | paratype | US | OK | Beaver | Laverne Formation, Lower Pliocene | Hibbard and Leonard |
| 162686 | Calipyrgula senta Leon. & Franz. | paratype | US | OK | Beaver | Laverne Formation, Lower Pliocene | Hibbard and Leonard |
| 162685 | Calipyrgula tumida Leon. & Franz. | paratype | US | OK | Beaver | Laverne Formation, Lower Pliocene | Hibbard and Leonard |
| 162684 | Calipyrgula turricula Leon. & Franz. | paratype | US | OK | Beaver | Laverne Formation, Lower Pliocene | Hibbard and Leonard |
| 88743 | Callianella wallacei aruana Mollendorff | cotype | Aru Island, Dutch East Indies | Mollendorff | |||
| 178205 | Calliocardia catharia Dall | paratype | Mexico | Albatross Sta. 3037 20 fms. Off Guaymas | |||
| 127160 | Camaena binkuanensis Hidalgo | type | Philippines | Busuanga | Ponsonby coll'n | ||
| 209136 | Campeloma brevispirum Baker | paratype | US | WI | Sank | Mirror Lake | Baker |
| 185019 | Campeloma tannum Mattox | paratype | Canada | ON | Speed River (brisk current), Hespeler | J.P. Oughton | |
| 185668 | Campeloma tannum Mattox | paratype | Canada | ON | Speed River, Hespeler | J.P. Oughton | |
| 209164 | Campeloma brevispirum | paratype | US | WI | Sank | Monroe Lake | F.C. Baker |
| 87122 | Camptoceras hirasei Walker | type | Japan | Osaka, prov. Of Kawachi | Y. Hirase | ||
| 87123 | Camptoceras hirasei Walker | paratype | Japan | Osaka, prov. Of Kawachi | Y. Hirase | ||
| 204049 | Cantharus macrospira | topotype | US | CA | San Felipe B. | Faye Howard | |
| 204053 | Cantharus macrospira (Berry) | topotype | US | CA | San Felipe B. | Faye Howard | |
| 33571 | Carychium nannodes Clapp | cotype | US | AL | Huntsville | ||
| 33572 | Carychium nannodes Clapp | US | AL | Montesano, 1600 m Huntsville | |||
| 116225 | Carychium nannodes Clapp | cotype | US | AL | Madison | Monte Sano, Huntsville | H.H. Smith |
| 87022 | Cataulus congener Sykes | cotype | Ceylon | Ponsonby | |||
| 87367 | Cataulus marginatus notatus Sykes | cotype | Ceylon | Ponsonby, ex. Sykes | |||
| 87372 | Cataulus prestoni Sykes | cotype | Ceylon | Ponsonby, ex. Sykes | |||
| 161307 | Cathaica kukunorica Mollendorff | cotype | Tibet | ||||
| 200684 | Catinella hubrichti Grimm | holotype | US | MD | Worcester | near dump along Pocomoke River, WSW of Snow Hill | FWG Collection |
| 200685 | Catinella hubrichti Grimm | paratype | US | MD | Worcester | near dump along Pocomoke River, WSW of Snow Hill | FWG Collection |
| 200686 | Catinella pinicola Grimm | holotype | US | MD | Worcester | near dump along Pocomoke River, WSW of Snow Hill | FWG Collection |
| 200687 | Catinella pinicola Grimm | paratype | US | MD | Worcester | near dump along Pocomoke River, WSW of Snow Hill | FWG Collection |
| 205889 | Catinella pugilator Hub. | holotype | US | NC | Currituck | salt marsh, 0.5 mi S Maple | Leslie Hubricht |
| 205890 | Catinella pugilator Hub. | paratype | US | NC | Currituck | salt marsh, 0.5 mi S Maple | Leslie Hubricht |
| 205891 | Catinella texana Hub. | paratype | US | TX | Milan | near Brazos River, 4.7 mi NE Gause | Leslie Hubricht |
| 205892 | Catinella texana Hub. | holotype | US | TX | Milan | near Brazos River, 4.7 mi NE Gause | Leslie Hubricht |
| 228990 | Ceochasma phrixina Thompson | paratype | Colima, 0.3 mi SE Tamala, 500' | Fred G. Thompson | |||
| 127563 | Cerastus littlei Pallary | type | Arabia | Gebel Ba 'liya | Paul Pallary coll'n | ||
| 54504 | Cerion acuminata Maynard | cotype | Bahamas | Long Key | C.J. Maynard | ||
| 54508 | Cerion albea Maynard | cotype | Bahamas | Spruce Key | C.J. Maynard | ||
| 54507 | Cerion albolabrum Maynard | cotype | Bahamas | Great Harbor Key | C.J. Maynard | ||
| 54511 | Cerion arbusta Maynard | paratype | Bahamas | Guana Key | C.J. Maynard | ||
| 54514 | Cerion asperum Maynard | cotype | Bahamas | S end Great Guana Key | C.J. Maynard | ||
| 54515 | Cerion aviarium Maynard | cotype | Bahamas | Bird Key, Berry Islands | C.J. Maynard | ||
| 54516 | Cerion balaene Maynard | cotype | Bahamas | Whale Key | C.J. Maynard | ||
| 148456 | Cerion biminiensis Hend. & Clapp | cotype | Bahamas | North Bimini Island | G.H. Clapp | ||
| 34601 | Cerithidea daemonia Dall | type | Esperita Santo Island, Gulf of California | H.B. Baker | |||
| 171879 | Cerithium (Cerithidea costata Dacosta?) ambiguum C.B. Adams | paratype | Jamaica | C.B. Adams Collection | |||
| 171880 | Cerithium variabile C.B. Adams | paratype | Jamaica | C.B. Adams Collection | |||
| 171881 | Cerithium versicolor C.B. Adams | paratype | Jamaica | C.B. Adams Collection | |||
| 230875 | Cernuella zilchi Brandt | paratype | Libya | Cyrenaica | Cyrene, Roman ruins | ||
| 124014 | Charopa basicontracta Preston | type | Lord Howe Island | Ponsonby, ex. Preston | |||
| 124015 | Charopa charon Preston | type | Lord Howe Island | Ponsonby, ex. Preston | |||
| 124016 | Charopa dignami Preston | type | North Bay, Lord Howe Island | Ponsonby, ex. Preston | |||
| 124054 | Charopa duncombensis Preston | type | Duncombe Bay, Norfolk Island | Ponsonby, ex. Preston | |||
| 124466 | Charopa duncombensis Preston | cotype | Norfolk Island | Ponsonby, ex. Preston | |||
| 124017 | Charopa gowerensis Preston | type | Mt. Gower, Lord Howe Island | Ponsonby, ex. Preston | |||
| 124018 | Charopa gruntali Preston | type | Mt. Lidgbird, Lord Howe Island | Ponsonby, ex. Preston | |||
| 124019 | Charopa howensis Preston | type | Lord Howe Island | Ponsonby, ex. Preston | |||
| 124020 | Charopa imperator Preston | type | Mt. Gower, Lord Howe Island | Ponsonby, ex. Preston | |||
| 138293 | Charopa marionae Preston | cotype | New Caledonia | Ponsonby coll. | |||
| 124055 | Charopa mathewsi harperensis Preston | type | Harper Road Valley, Norfolk Island | Ponsonby, ex. Preston | |||
| 124450 | Charopa mathewsi parkerensis Preston | cotype | Norfolk Island | Ponsonby, ex. Preston | |||
| 138059 | Charopa matthewsi Preston | type | Bolls Bay, Norfolk Island | ||||
| 124021 | Charopa nicholsiae Preston | type | Lord Howe Island | Ponsonby, ex. Preston | |||
| 124449 | Charopa orestias Preston | cotype | Norfolk Island | Ponsonby, ex. Preston | |||
| 123722 | Charopa palmarum Preston | type | Lord Howe Island | Preston, Ponsonby Coll. | |||
| 123723 | Charopa pernotabilis Preston | type | Lord Howe Island | Preston, Ponsonby Coll. | |||
| 138324 | Charopa quadridens Gude | cotype | Artillery Pt., New Caledonia | Ponsonby coll. | |||
| 138058 | Charopa sororcula Preston | type | Mt. Pitt, Norfolk Island | Ponsonby coll. | |||
| 123724 | Charopa tesselata Preston | type | Lord Howe Island | Preston, Ponsonby Coll. | |||
| 141174 | Chloraea sirena cebuana Mollendorff | cotype | Philippines | Cebu | H. Rolle | ||
| 137574 | Chloritis etnaensis Gude | cotype | Etna Bay, Dutch New Guinea | Ponsonby coll | |||
| 137644 | Chloritis fraterna Gude | type | New Ireland, Bismarck Archipelago | Ponsonby coll | |||
| 137596 | Chloritis goniostoma F. Albinor Mollendorff | cotype | Tenember Island, Dutch East Indies | H. Rolle | |||
| 137459 | Chloritis keysseri Kobelt | cotype | Finisterre Mts., German New Guinea | H. Rolle | |||
| 137491 | Chloritis novocambrica Gude | cotype | New South Wales | Ponsonby coll | |||
| 137645 | Chloritis ponsonbyi Gude | type | ? Molucca Islands, Dutch East Indies | Ponsonby coll | |||
| 137633 | Chloritis teres Gude | cotype | New Ireland, Bismarck Archipelago | Ponsonby coll | |||
| 202662 | Choanopoma barkeri perijensis Solem | paratype | Colombia | near Codazzi, Magdalena | Oscar L. Haught | ||
| 49190 | Choanopoma gaigei Bequaert & Clench | holotype | Mexico | Chichen Itza, Yucatan | F.M. Gaige | ||
| 50030 | Choanopoma gaigei Bequaert & Clench | paratype | Mexico | Chichen Itza, Yucatan | F.C. Gaige | ||
| 50030 | Choanopoma gaigei Bequaert & Clench | paratype | Mexico | Chichen Itza, Yucatan | |||
| 216554 | Choanopoma terecostatum Thompson | type | Chiapas, 15.8 mi NW Ocozocoautla, 2700' | F.G. Thompson | |||
| 216555 | Choanopoma terecostatum Thompson | paratype | Chiapas, 15.8 mi NW Ocozocoautla, 2700' | F.G. Thompson | |||
| 216556 | Choanopoma terecostatum Thompson | paratype | Chiapas, 13.4 mi NW Ocozocoautla, 2000' | F.G. Thompson | |||
| 111030 | Chondrina avenacea Bruguiere | cotype | France | Yonne | Wetherby, ex. Dupuy | ||
| 111045 | Chondrina bigorrensis Charpentier | cotype | France | Bagneres de Bigorre, Pyrenees | Wetherby ex. Dupuy | ||
| 86083 | Chondrocyclus exsertus Melville & Pon. | South Africa | Umbogintwini, Natal | Ponsonby | |||
| 54501 | Chondropoma beatensis Clench | paratype | Beata Island, Santo Domingo, West Indies | T. Barbour | |||
| 63329 | Chondropoma caribbaeum Clapp | paratype | Swan Island, West Indies | G. Nelson | |||
| 79562 | Chondropoma funiculus Ancey | cotype | Haiti | Milot, Cap Haitien | Ponsonby coll, ex. Ancey | ||
| 178215 | Chondropoma glabratum alkinense Bartsch | paratype | Bahamas | Mason Bay, Aklin Island | P. Bartsch | ||
| 178214 | Chondropoma necopinum Bartsch | paratype | Bahamas | Rocky Hill, Lightborn Creek, Grand Caicos | P. Bartsch | ||
| 77873 | Chondropoma perlatum Gund. | cotype | Cuba | Jolisco | Hills coll, ex. Gundlach | ||
| 77926 | Chondropoma tectum Gund. | cotype | Cuba | Santiago, Oriente | Hills coll | ||
| 68473 | Chondropoma utowana Clench | paratype | Beata Island, San Domingo | T. Barbour | |||
| 77934 | Chondropoma wilcoxi Henderson | paratype | Cuba | Rosario, Habana | J.B. Henderson | ||
| 197319 | Chondropoma yunguei H.B.B. | type | El Yunque hills | H.B. Baker | |||
| 171757 | Chondrothyra rutila nebulosa T & B | topotype | Cuba | Ensenada de Miranda, N part of Queque, Veñales, Pinar del Rio | Alc & Jacobson | ||
| 78214 | Chondrothyra unilabiata Gund. | cotype | Cuba | Baracoa, Oriente | Hills coll, ex. Gundlach | ||
| 112323 | Chondrula alajanus Bttg. | cotype | Turkestan | Osch-Ferghana | H. Rolle, ex. Boettger | ||
| 124056 | Christianoconcha iredalei Preston | type | Now Now Valley, Norfolk Island | Ponsonby, ex. Preston | |||
| 124451 | Christianoconcha iredalei Preston | cotype | Norfolk Island | Ponsonby, ex. Preston | |||
| 86084 | Chrondrocyclus exsertus M.S.P. | cotype | South Africa | Umkomaas, Natal | Ponsonby | ||
| 183276 | Chrysodomus pribiloffensis Dall | paratype | US | AK | W of Pribiloff Island, Bering Sea | Albatross Sta 3554 | |
| 216532 | Cincinnatia fraterna Thompson | type | US | FL | St. Johns | creek 4.0 mi S Tocoi | Fred G. Thompson |
| 216533 | Cincinnatia fraterna Thompson | paratype | US | FL | St. Johns | creek 4.0 mi S Tocoi | Fred G. Thompson |
| 216496 | Cincinnatia helicogyra Thompson | type | US | FL | Citrus | springs at Crystal River | Fred G. Thompson |
| 216497 | Cincinnatia helicogyra Thompson | paratype | US | FL | Citrus | springs at Crystal River | Fred G. Thompson |
| 216498 | Cincinnatia helicogyra Thompson | paratype | US | FL | Citrus | springs at Crystal River | Fred G. Thompson |
| 216494 | Cincinnatia mica Thompson | type | US | FL | Suwannee | spring on Ichatucknee River, 1 mi NE US 27 | Fred G. Thompson |
| 216495 | Cincinnatia mica Thompson | paratype | US | FL | Suwannee | spring on Ichatucknee River, 1 mi NE US 27 | Fred G. Thompson |
| 216530 | Cincinnatia parva Thompson | type | US | FL | Volusia | Blue Springs, 3 mi W Orange City | Fred G. Thompson |
| 216531 | Cincinnatia parva Thompson | paratype | US | FL | Volusia | Blue Springs, 3 mi W Orange City | Fred G. Thompson |
| 216501 | Cincinnatia petrifons Thompson | type | US | FL | Orange | Rock Springs, 6.5mi N. Apopta | Fred G. Thompson |
| 216502 | Cincinnatia petrifons Thompson | paratype | US | FL | Orange | Rock Springs, 6.5mi N. Apopta | Fred G. Thompson |
| 216499 | Cincinnatia ponderosa Thompson | type | US | FL | Seminole | outlet from Sanlando Springs | Fred G. Thompson |
| 216500 | Cincinnatia ponderosa Thompson | paratype | US | FL | Seminole | outlet from Sanlando Springs | Fred G. Thompson |
| 216503 | Cincinnatia wekiwae Thompson | type | US | FL | Seminole | Wekiwa Springs, 5mi. NE Apopka | Fred G. Thompson |
| 216504 | Cincinnatia wekiwae Thompson | paratype | US | FL | Seminole | Wekiwa Springs, 5mi. NE Apopka | Fred G. Thompson |
| 15234 | Cistula mackinlayi Pfr. | Cuba | |||||
| 31878 | Cistulops raveni arubana H.B.B. | paratype | Dutch Leeward Islands | Aruba | |||
| 31881 | Cistulops raveni arubana H.B.B. | type | Dutch Leeward Islands | Aruba | |||
| 117258 | Clappia clappi Walker | US | AL | Chilton | Coosa River, Duncans Riffle | H.H. Smith | |
| 154271 | Clausilia adventicia mathildae Kimakowicz | cotype | Romania | Tamusa Islucht, Kronstadt, Transylvania | W. Blume | ||
| 154299 | Clausilia alajana Boettger | cotype | Turkey | Aladja | H. Rolle | ||
| 154385 | Clausilia bicarinata dichroa Boettger | cotype | Syria | Gulek | H. Rolle | ||
| 154453 | Clausilia biplicata metriotes Wagner | cotype | N Albania | Iljab | H. Rolle | ||
| 154489 | Clausilia broemmei Boettger | cotype | Greece | Phelmos | H. Rolle | ||
| 154654 | Clausilia crispa decolorata Wollaston | cotype | Canical, Madeira Islands | H.B. Preston | |||
| 154695 | Clausilia deltostoma portosanctana Lowe | cotype | Porto Santo, Madeira Islands | H.B. Preston | |||
| 154724 | Clausilia dorfleri Wagner | cotype | Greece | Messara, Crete | H. Rolle | ||
| 14899 | Clausilia drakakisi Mltz. | Greece | Crete | ||||
| 154738 | Clausilia drakakisi von Matzen | cotype | Greece | Chersonesos, Crete | H. Rolle | ||
| 154780 | Clausilia eastlakeana Mollendorff | cotype | China | Fu-Dshoa | F. Haas | ||
| 154810 | Clausilia eumeces Boettger | cotype | Greece | Island of Chios | H. Rolle | ||
| 154853 | Clausilia franciscana Gredler | cotype | China | Kung-Fut-Se | H. Rolle |
