| Birgella subglobosus |
Globe Siltsnail |
|
| Mesomphix luisant |
Glossy Button |
|
| Fumonelix christyi |
Glossy Covert |
|
| Ventridens acerra |
Glossy Dome |
|
| Paravitrea placentula |
Glossy Supercoil |
|
| Succinea wilsoni |
Golden Ambersnail |
|
| Ventridens arcellus |
Golden Dome |
|
| Epioblasma florentina aureola |
Golden Riffleshell |
|
| Mesodon normalis |
Grand Globe |
|
| Elimia catenaria |
Gravel Elimia |
|
| Haplotrema concavum |
Gray-foot Lancetooth |
|
| Lymnaea stagnalis |
Great Pondsnail |
|
| Epioblasma torulosa gubernaculum |
Green Blossom Pearlymussel |
|
| Zonitoides elliotti |
Green Dome |
|
| Lasmigona subviridis |
Green Floater |
Very High |
| Fontigens turritella |
Greenbrier Cavesnail |
|
| Helicodiscus villosus |
Greenbrier Coil |
|
| Anguispira stihleri |
Greenbrier Tigersnail |
|
| Stenotrema hirsutum |
Hairy Slitmouth |
|
| Triodopsis pendula |
Hanging Rock Threetoothed Delicate Vertigo |
|
| Obovaria olivaria |
Hickorynut |
|
| Stenotrema altispira |
Highland Slitmouth |
|
| Glyphyalinia cumberlandiana |
Hill Glyph |
|
| Ventridens lasmodon |
Hollow Dome |
|
| Glyphyalinia specus |
Hollow Glyph |
|
| Vertigo tridentata |
Honey Vertigo |
|
| Chlamys islandica |
Icelandic Scallop |
|
| Vallonia excentrica |
Iroquois Vallonia |
|
| Parvaspina collina |
James Spinymussel |
|
| Ptychobranchus fasciolaris |
Kidneyshell |
|
| Busycon carica |
Knobbed Whelk |
|
| Gastrocopta holzingeri |
Lambda Snaggletooth |
|
| Punctum smithi |
Lamellate Spot |
|
| Toxolasma parvum |
Lilliput |
|
| Limacina helicina |
Limancina Snail |
|
| Villosa lienosa |
Little Spectaclecase |
|
| Pegias fabula |
Littlewing Pearlymussel |
|
| Goniobasis livescens |
Liver Elimia |
|
| Fusconaia subrotunda |
Longsolid |
High |
| Euchemotrema leai |
Lowland Pillsnail |
|
| Triodopsis hopetonensis |
Magnolia Threetooth |
|
| Vertigo malleata |
Malleated Vertigo |
|
| Bulimnea megastoma |
Mammoth Lymnaea |
|
| Quadrula quadrula |
Mapleleaf |
|
| Melampus bidentatus |
Marsh Snail |
|
| Glyphyalinia raderi |
Maryland Glyph |
High |
| Strobilops labyrinthicus |
Maze Pinecone |
|
| Deroceras laeve |
Meadow Slug |
|
| Triodopsis fallax |
Mimic Threetooth |
|
| Alderia modesta |
Modest Alderia |
|