ID#  |  Taxon Name | Collector | Date | | MO 228893 | Zebina tridentata | Dranga, Langford & Thaanum | 1 Jan 1935 - 31 Dec 1935 |
| MO 228900 | Zebina semiplicata | Langford, Dranga & Thaanum | 1 Jan 1935 - 31 Dec 1935 |
| MO 228902 | Zebina semiplicata | Dranga & Thaanum | 1 Jan 1936 - 31 Dec 1936 |
| MO 259139 | Williamia radiata | T.T. Dranga & D. Thaanum | 1 Jan 1935 - 31 Dec 1935 |
| MO 230880 | Vitricithna marmorata | Dranga & Thaanum | 1 Jan 1936 - 31 Dec 1936 |
| MO 230148 | Viriola | Langford, Dranga & Thaanum | 1 Jan 1935 - 31 Dec 1935 |
| MO 230129 | Viriola flammulata | Langford, Dranga & Thaanum | 1 Jan 1935 - 31 Dec 1935 |
| MO 230138 | Viriola fallax | Langford, Dranga & Thaanum | 1 Jan 1935 - 31 Dec 1935 |
| MO 63577 | Vermetus | W.A. & E.L. Bryan | 1 Jan 1914 - 31 Dec 1914 |
| MO 257137 | Turbonilla thaanumi | D.B. Langford, T.T. Dranga, & D. Thaanum | 1 Jan 1935 - 31 Dec 1935 |
| MO 258758 | Trochus | | |
| MO 227199 | Trochus intextus | Langford & Thaanum | 1 Jan 1916 - 31 Dec 1916 |
| MO 258757 | Trochus histrio | | |
| MO 231587 | Trivia sp. | Dranga, Langford & Thaanum | 1 Jan 1935 - 31 Dec 1935 |
| MO 62559 | Trivia pilula | W.A. & E.L. Bryan | 1 Jan 1915 - 31 Dec 1915 |
| MO 62581 | Trivia pillucidula | W.A. & E.L. Bryan | |
| MO 62513 | Trivia oryza | W.A. & E.L. Bryan | |
| MO 63522 | Trivia insecta | W.A. & E.L. Bryan | 1 Jan 1915 - 31 Dec 1915 |
| MO 62566 | Trivia exigua | W.A. & E.L. Bryan | |
| MO 231578 | Trivia exigua | Dranga & Thaanum | 1 Jan 1936 - 31 Dec 1936 |
| MO 230258 | Triphoridae | Langford, Dranga & Thaanum | 1 Jan 1935 - 31 Dec 1935 |
| MO 230285 | Triphoridae | Langford, Dranga & Thaanum | 1 Jan 1935 - 31 Dec 1935 |
| MO 230259 | Triphoridae | Langford, Dranga & Thaanum | 1 Jan 1935 - 31 Dec 1935 |
| MO 230267 | Triphoridae | Langford, Dranga & Thaanum | 1 Jan 1935 - 31 Dec 1935 |
| MO 230249 | Triphora tuberculata | Langford, Dranga & Thaanum | 1 Jan 1935 - 31 Dec 1935 |
| MO 230242 | Triphora triticea | Langford, Dranga & Thaanum | 1 Jan 1935 - 31 Dec 1935 |
| MO 230237 | Triphora thaanumi | Dranga & Thaanum | 1 Jan 1936 - 31 Dec 1936 |
| MO 230231 | Triphora tessellata | Langford, Dranga & Thaanum | 1 Jan 1935 - 31 Dec 1935 |
| MO 230206 | Triphora pallida | Langford, Dranga & Thaanum | 1 Jan 1935 - 31 Dec 1935 |
| MO 230190 | Triphora coralina | Langford, Dranga & Thaanum | 1 Jan 1935 - 31 Dec 1935 |
| MO 230172 | Triphora bicolor | Langford, Dranga & Thaanum | 1 Jan 1935 - 31 Dec 1935 |
| MO 60366 | Trapezium oblongum | W.A. & E.L. Bryan | |
| MO 63715 | Torinia variegata | W.A. & E.L. Bryan | 1 Jan 1915 - 31 Dec 1915 |
| MO 63704 | Torinia cingulum | W.A. & E.L. Bryan | 1 Jan 1915 - 31 Dec 1915 |
| MO 234408 | Tonna melanostoma | | |
| MO 226976 | Thalotia ocellata | Dranga & Thaanum | 1 Jan 1936 - 31 Dec 1936 |
| MO 227427 | Thalotia ocellata | Dranga & Thaanum | 1 Jan 1936 - 31 Dec 1936 |
| MO 256419 | Terebra cerithina | D. Thaanum | |
| MO 60529 | Tellina rugosa | Bryan | |
| MO 60514 | Tellina dispar | Bryan | 24 Mar 1918 |
| MO 60570 | Siphonaria normalis | W.A. & E.L. Bryan | |
| MO 258362 | Seminella | | |
| MO 236554 | Seminella virginea | Dranga & Langford & Thaanum | 1 Jan 1935 - 31 Dec 1935 |
| MO 236561 | Seminella sp. | Dranga & Thaanum & Langford | 1 Jan 1935 - 31 Dec 1935 |
| MO 236539 | Seminella smithi | Dranga & Thaanum & Langford | 1 Jan 1935 - 31 Dec 1935 |
| MO 228840 | Rissoina miltozona | Langford, Dranga & Thaanum | 1 Jan 1935 - 31 Dec 1935 |
| MO 64536 | Rimula oblonga | W.A. & E.L. Bryan | |
| MO 258371 | Pyrenidae | | |
| MO 258354 | Pyrenidae | | |
| MO 258370 | Pyrenidae | | |
