| Land Snails | |||
| Family | Genus | Species | #Species |
| Arionidae | Arion | subfuscus | 1 |
| Cochlicopidae | Cochlicopa | lubrica | 1 |
| Endodontidae | Discus | catskillensis | 1 |
| Limacidae | Derocerus | laeve | 1 |
| Limacidae | Derocerus | reticulatum | 1 |
| Philomycidae | Pallifera | dorsalis | 1 |
| Philomycidae | Philomycus | carolinianus | 1 |
| Polygyridae | Mesodon | thyroidus | 1 |
| Polygyridae | Neohelix | albolabris | 1 |
| Zonitidae | Euconulus | sp. (prob. fulvus) | 1 |
| Zonitidae | Glyphyalinia | sp. (prob. burringtoni) | 1 |
| Zonitidae | Nesovitra | sp. | 1 |
| Zonitidae | Zonitoides | arboreus | 1 |
| 13 | |||
| Aquatic and Semi-aquatic Snails | |||
| Family | Genus | Species | #Species |
| Lynmaeidae | Stagnicola | sp. (emarginata complex) | 1 |
| Lynmaeidae | Fossoria | sp.1 (obrussa like) | 1 |
| Lynmaeidae | Fossoria | sp. 2 (dalli like) | 1 |
| Succinidae | Succinia | ovalis | 1 |
| Succinidae | Succinidae | sp.2 ( Oxyloma like) | 1 |
| Physidae | Physa | sp. 1 | 1 |
| Ancylidae | Ferrissia | parallela | 1 |
| Planorbidae | Planorbella | trivolvus | 1 |
| Planorbidae | Helisoma | ancepts | 1 |
| Planorbidae | Gyraulus | parvus | 1 |
| Planorbidae | Gyrulus | circumstriatus ( distinct from parvus) | 1 |
| 11 | |||
| Clams | |||
| Family | Genus | Species | #Species |
| Spaeriidae | Spaerium | simile | 1 |
| Spaeriidae | Musculium | securis | 1 |
| Spaeriidae | Pisidium | sp. | 2 |
| Unionidae | Anadonta | grandis | 1 |
| 5 | |||