| Meadow Slug | Deroceras | laeve | | 2 | Slugs | Agriolimacidae | Stylommatophora | Gastropoda | Animalia |
| Milky Slug | Deroceras | reticulatum | | 19 | Slugs | Agriolimacidae | Stylommatophora | Gastropoda | Animalia |
| Hedgehog Slug | Arion | intermedius | | 11 | Slugs | Arionidae | Stylommatophora | Gastropoda | Animalia |
| Dusky Arion | Arion | subfuscus | | 36 | Slugs | Arionidae | Stylommatophora | Gastropoda | Animalia |
| Glossy Pillar | Cochlicopa | lubrica | | 17 | Land Snails | Cionellidae | Stylommatophora | Gastropoda | Animalia |
| Thin Pillar | Cochlicopa | lubricella | | 1 | Land Snails | Cionellidae | Stylommatophora | Gastropoda | Animalia |
| Appalachian Pillar | Cochlicopa | morseana | | 0 | Land Snails | Cionellidae | Stylommatophora | Gastropoda | Animalia |
| Flamed Tigersnail | Anguispira | alternata | | 10 | Land Snails | Discidae | Stylommatophora | Gastropoda | Animalia |
| Coastal Plain Tiger Snail | Anguispira | fergusoni | | 7 | Land Snails | Discidae | Stylommatophora | Gastropoda | Animalia |
| Angular Disc | Discus | catskillensis | | 1 | Land Snails | Discidae | Stylommatophora | Gastropoda | Animalia |
| Domed Disc | Discus | patulus | | 0 | Land Snails | Discidae | Stylommatophora | Gastropoda | Animalia |
| Rounded Snail | Discus | rotundatus | | 11 | Land Snails | Discidae | Stylommatophora | Gastropoda | Animalia |
| Forest Disc | Discus | whitneyi | | 0 | Land Snails | Discidae | Stylommatophora | Gastropoda | Animalia |
| Toothed Hive | Euconulus | dentatus | | 0 | Land Snails | Euconulidae | Stylommatophora | Gastropoda | Animalia |
| Brown Hive | Euconulus | fulvus | | 0 | Land Snails | Euconulidae | Stylommatophora | Gastropoda | Animalia |
| Fat Hive | Euconulus | polygyratus | | 3 | Land Snails | Euconulidae | Stylommatophora | Gastropoda | Animalia |
| Sterki's Granule | Guppya | sterkii | | 2 | Land Snails | Euconulidae | Stylommatophora | Gastropoda | Animalia |
| Ribbed Striate | Striatura | exigua | | 0 | Land Snails | Gastrodontidae | Stylommatophora | Gastropoda | Animalia |
| Black Striate | Striatura | ferrea | | 0 | Land Snails | Gastrodontidae | Stylommatophora | Gastropoda | Animalia |
| Medium Striate | Striatura | meridionalis | | 3 | Land Snails | Gastrodontidae | Stylommatophora | Gastropoda | Animalia |
| Fine-Ribbed Striate | Striatura | milium | | 0 | Land Snails | Gastrodontidae | Stylommatophora | Gastropoda | Animalia |
| Golden Dome | Ventridens | arcellus | | 0 | Land Snails | Gastrodontidae | Stylommatophora | Gastropoda | Animalia |
| Wax Dome | Ventridens | cerinoideus | | 0 | Land Snails | Gastrodontidae | Stylommatophora | Gastropoda | Animalia |
| Perforate Dome | Ventridens | demissus | | 0 | Land Snails | Gastrodontidae | Stylommatophora | Gastropoda | Animalia |
| Throaty Dome | Ventridens | gularis | | 0 | Land Snails | Gastrodontidae | Stylommatophora | Gastropoda | Animalia |
| Pyramid Dome | Ventridens | intertextus | | 0 | Land Snails | Gastrodontidae | Stylommatophora | Gastropoda | Animalia |
| Globose Dome | Ventridens | ligera | | 12 | Land Snails | Gastrodontidae | Stylommatophora | Gastropoda | Animalia |
| Flat Dome | Ventridens | suppressus | | 3 | Land Snails | Gastrodontidae | Stylommatophora | Gastropoda | Animalia |
| Split-tooth Dome | Ventridens | virginicus | | 0 | Land Snails | Gastrodontidae | Stylommatophora | Gastropoda | Animalia |
| Quick Gloss | Zonitoides | arboreus | | 9 | Land Snails | Gastrodontidae | Stylommatophora | Gastropoda | Animalia |
| Black Gloss | Zonitoides | nitidus | | 4 | Land Snails | Gastrodontidae | Stylommatophora | Gastropoda | Animalia |
| Maritime Garden Snail | Cernuella | cisalpina | | 1 | Land Snails | Geomitridae | Stylommatophora | Gastropoda | Animalia |
| Gray-footed Lancetooth | Haplotrema | concavum | | 3 | Land Snails | Haplotrematidae | Stylommatophora | Gastropoda | Animalia |
| Grove Snail | Cepaea | nemoralis | | 11 | Land Snails | Helicidae | Stylommatophora | Gastropoda | Animalia |
| Oldfield Coil | Helicodiscus | inermis | | 0 | Land Snails | Helicodiscidae | Stylommatophora | Gastropoda | Animalia |
| Tight Coil | Helicodiscus | notius | | 0 | Land Snails | Helicodiscidae | Stylommatophora | Gastropoda | Animalia |
| Compound Coil | Helicodiscus | parallelus | | 5 | Land Snails | Helicodiscidae | Stylommatophora | Gastropoda | Animalia |
| Temperate Coil | Helicodiscus | shimeki | | 0 | Land Snails | Helicodiscidae | Stylommatophora | Gastropoda | Animalia |
| Smooth Coil | Helicodiscus | singleyanus | | 0 | Land Snails | Helicodiscidae | Stylommatophora | Gastropoda | Animalia |
| Oldfield Coil | Lucilla | scintilla | | 1 | Land Snails | Helicodiscidae | Stylommatophora | Gastropoda | Animalia |
| Three-banded Garden Slug | Ambigolimax | valentianus | | 2 | Slugs | Limacidae | Stylommatophora | Gastropoda | Animalia |
| Leopard Slug | Limax | maximus | | 506 | Slugs | Limacidae | Stylommatophora | Gastropoda | Animalia |
| Greenhouse Slug | Milax | gagates | | 1 | Slugs | Milacidae | Stylommatophora | Gastropoda | Animalia |
| Dark-bodied Glass-snail | Oxychilus | draparnaudi | | 2 | Land Snails | Oxychilidae | Stylommatophora | Gastropoda | Animalia |
| Changeable Mantleslug | Megapallifera | mutabilis | | 82 | Land Snails | Philomycidae | Stylommatophora | Gastropoda | Animalia |
| Pale Mantleslug | Pallifera | dorsalis | | 0 | Land Snails | Philomycidae | Stylommatophora | Gastropoda | Animalia |
| Foster Mantleslug | Pallifera | fosteri | | 2 | Land Snails | Philomycidae | Stylommatophora | Gastropoda | Animalia |
| Severed Mantleslug | Pallifera | secreta | | 0 | Land Snails | Philomycidae | Stylommatophora | Gastropoda | Animalia |
| Carolina Mantleslug | Philomycus | carolinianus | | 21 | Land Snails | Philomycidae | Stylommatophora | Gastropoda | Animalia |
| Winding Mantleslug | Philomycus | flexuolaris | | 3 | Land Snails | Philomycidae | Stylommatophora | Gastropoda | Animalia |
| Toga Mantleslug | Philomycus | togatus | | 8 | Land Snails | Philomycidae | Stylommatophora | Gastropoda | Animalia |
| Broad-banded Forestsnail | Allogona | profunda | | 1 | Land Snails | Polygyridae | Stylommatophora | Gastropoda | Animalia |
| Spike-Lip Crater | Appalachina | sayana | | 0 | Land Snails | Polygyridae | Stylommatophora | Gastropoda | Animalia |
| Upland Pillsnail | Euchemotrema | fraternum | | 0 | Land Snails | Polygyridae | Stylommatophora | Gastropoda | Animalia |
| White-lip Globe | Mesodon | thyroidus | | 12 | Land Snails | Polygyridae | Stylommatophora | Gastropoda | Animalia |
| Toothed Globe | Mesodon | zaletus | | 1 | Land Snails | Polygyridae | Stylommatophora | Gastropoda | Animalia |
| Whitelip | Neohelix | albolabris | | 12 | Land Snails | Polygyridae | Stylommatophora | Gastropoda | Animalia |
| Flat Bladetooth | Patera | appressa | | 1 | Land Snails | Polygyridae | Stylommatophora | Gastropoda | Animalia |
| Smooth Bladetooth | Patera | laevior | | 0 | Land Snails | Polygyridae | Stylommatophora | Gastropoda | Animalia |
| Bristled Slitmouth | Stenotrema | barbatum | | 3 | Land Snails | Polygyridae | Stylommatophora | Gastropoda | Animalia |
| Hairy Slitmouth | Stenotrema | hirsutum | | 1 | Land Snails | Polygyridae | Stylommatophora | Gastropoda | Animalia |
| Bear Creek Slitmouth | Stenotrema | simile | | 0 | Land Snails | Polygyridae | Stylommatophora | Gastropoda | Animalia |
| Whitelip | Triodopsis | albolabris | | 1 | Land Snails | Polygyridae | Stylommatophora | Gastropoda | Animalia |
| Black Velvet Wedge | Triodopsis | denotata | | 0 | Land Snails | Polygyridae | Stylommatophora | Gastropoda | Animalia |
| Big-tooth Whitelip | Triodopsis | dentifera | | 0 | Land Snails | Polygyridae | Stylommatophora | Gastropoda | Animalia |
| Mimic Three-tooth | Triodopsis | fallax | | 0 | Land Snails | Polygyridae | Stylommatophora | Gastropoda | Animalia |
| Bladetooth Wedge | Triodopsis | fosteri | | 0 | Land Snails | Polygyridae | Stylommatophora | Gastropoda | Animalia |
| Magnolia Three-tooth | Triodopsis | hopetonensis | | 1 | Land Snails | Polygyridae | Stylommatophora | Gastropoda | Animalia |
| Atlantic Three-Tooth | Triodopsis | juxtidens | | 5 | Land Snails | Polygyridae | Stylommatophora | Gastropoda | Animalia |
| Southeastern Whitetooth | Triodopsis | major | | 0 | Land Snails | Polygyridae | Stylommatophora | Gastropoda | Animalia |
| Nubbin Three-Tooth | Triodopsis | obsoleta | | 0 | Land Snails | Polygyridae | Stylommatophora | Gastropoda | Animalia |
| Spruce Knob Three-Tooth | Triodopsis | picea | | 1 | Land Snails | Polygyridae | Stylommatophora | Gastropoda | Animalia |
| Northern Three-Tooth | Triodopsis | tridentata | | 1 | Land Snails | Polygyridae | Stylommatophora | Gastropoda | Animalia |
| Striped Whitelip | Webbhelix | multilineata | | 1 | Land Snails | Polygyridae | Stylommatophora | Gastropoda | Animalia |
| Velvet Wedge | Xolotrema | denotatum | | 3 | Land Snails | Polygyridae | Stylommatophora | Gastropoda | Animalia |
| Bladetooth Wedge | Xolotrema | fosteri | | 1 | Land Snails | Polygyridae | Stylommatophora | Gastropoda | Animalia |
| Small Spot | Punctum | minutissimum | | 3 | Land Snails | Punctidae | Stylommatophora | Gastropoda | Animalia |
| Lamellate Spot | Punctum | smithi | | 2 | Land Snails | Punctidae | Stylommatophora | Gastropoda | Animalia |
| Glass Spot | Punctum | vitreum | | 2 | Land Snails | Punctidae | Stylommatophora | Gastropoda | Animalia |
| Widespread Column | Pupilla | muscorum | | 0 | Land Snails | Pupillidae | Stylommatophora | Gastropoda | Animalia |
| White-Lip Dagger | Pupoides | albilabris | | 2 | Land Snails | Pupillidae | Stylommatophora | Gastropoda | Animalia |
| Bronze Pinecone | Strobilops | aeneus | | 6 | Land Snails | Strobilopsidae | Stylommatophora | Gastropoda | Animalia |
| Maze Pinecone | Strobilops | labyrinthicus | | 1 | Land Snails | Strobilopsidae | Stylommatophora | Gastropoda | Animalia |
| Southern Pinecone | Strobilops | texasianus | | 1 | Land Snails | Strobilopsidae | Stylommatophora | Gastropoda | Animalia |
| Suboval Ambersnail (avara) | Catinella | avara | | 0 | Land Snails | Succineidae | Stylommatophora | Gastropoda | Animalia |
| Snowhill Ambersnail | Catinella | hubrichti | | 0 | Land Snails | Succineidae | Stylommatophora | Gastropoda | Animalia |
| Detritus Ambersnail | Catinella | oklahomarum | | 0 | Land Snails | Succineidae | Stylommatophora | Gastropoda | Animalia |
| Suboval Ambersnail (vermeta) | Catinella | vermeta | | 2 | Land Snails | Succineidae | Stylommatophora | Gastropoda | Animalia |
| Oval Ambersnail | Novisuccinea | ovalis | | 4 | Land Snails | Succineidae | Stylommatophora | Gastropoda | Animalia |
| Coastal Plain Ambersnail | Oxyloma | effusum | | 4 | Land Snails | Succineidae | Stylommatophora | Gastropoda | Animalia |
| Chesapeake Ambersnail | Oxyloma | subeffusum | | 0 | Land Snails | Succineidae | Stylommatophora | Gastropoda | Animalia |
| Crinkled Ambernsnail | Succinea | campestris | | 0 | Land Snails | Succineidae | Stylommatophora | Gastropoda | Animalia |
| Xeric Ambernsnail | Succinea | indiana | | 0 | Land Snails | Succineidae | Stylommatophora | Gastropoda | Animalia |
| Oval Amber Snail | Succinea | ovalis | | 0 | Land Snails | Succineidae | Stylommatophora | Gastropoda | Animalia |
| Oval Amber Snail | Succinea | ovalis | | 1 | Land Snails | Succineidae | Stylommatophora | Gastropoda | Animalia |
| Golden Ambersnail | Succinea | wilsonii | | 0 | Land Snails | Succineidae | Stylommatophora | Gastropoda | Animalia |
| Costate Vallonia | Vallonia | costata | | 0 | Land Snails | Valloniidae | Stylommatophora | Gastropoda | Animalia |
| Iroquois Vallonia | Vallonia | excentrica | | 1 | Land Snails | Valloniidae | Stylommatophora | Gastropoda | Animalia |
| Thin-Lip Vallonia | Vallonia | perspectiva | | 0 | Land Snails | Valloniidae | Stylommatophora | Gastropoda | Animalia |
| Lovely Vallonia | Vallonia | pulchella | | 0 | Land Snails | Valloniidae | Stylommatophora | Gastropoda | Animalia |
| High-spire Column | Columella | simplex | | 0 | Land Snails | Vertiginidae | Stylommatophora | Gastropoda | Animalia |
| Armed Snaggletooth | Gastrocopta | armifera | | 4 | Land Snails | Vertiginidae | Stylommatophora | Gastropoda | Animalia |
| Bottleneck Snaggletooth | Gastrocopta | contracta | | 4 | Land Snails | Vertiginidae | Stylommatophora | Gastropoda | Animalia |
| Bark Snaggletooth | Gastrocopta | corticaria | | 2 | Land Snails | Vertiginidae | Stylommatophora | Gastropoda | Animalia |
| Crested Snaggletooth | Gastrocopta | cristata | | 0 | Land Snails | Vertiginidae | Stylommatophora | Gastropoda | Animalia |
| Slim Snaggletooth | Gastrocopta | pellucida | | 0 | Land Snails | Vertiginidae | Stylommatophora | Gastropoda | Animalia |
| Comb Snaggletooth | Gastrocopta | pentodon | | 1 | Land Snails | Vertiginidae | Stylommatophora | Gastropoda | Animalia |
| Wing Snaggletooth | Gastrocopta | procera | | 1 | Land Snails | Vertiginidae | Stylommatophora | Gastropoda | Animalia |
| Tapered Snaggletooth | Gastrocopta | rupicola | | 0 | Land Snails | Vertiginidae | Stylommatophora | Gastropoda | Animalia |
| White Snaggletooth | Gastrocopta | tappaniana | | 2 | Land Snails | Vertiginidae | Stylommatophora | Gastropoda | Animalia |
| Tapered Vertigo | Vertigo | elatior | | 0 | Land Snails | Vertiginidae | Stylommatophora | Gastropoda | Animalia |
| Variable Vertigo | Vertigo | gouldi | | 0 | Land Snails | Vertiginidae | Stylommatophora | Gastropoda | Animalia |
| Blade Vertigo | Vertigo | milium | | 3 | Land Snails | Vertiginidae | Stylommatophora | Gastropoda | Animalia |
| Palmetto Vertigo | Vertigo | oralis | | 0 | Land Snails | Vertiginidae | Stylommatophora | Gastropoda | Animalia |
| Capital Vertigo | Vertigo | oscariana | | 0 | Land Snails | Vertiginidae | Stylommatophora | Gastropoda | Animalia |
| Ovate Vertigo | Vertigo | ovata | | 1 | Land Snails | Vertiginidae | Stylommatophora | Gastropoda | Animalia |
| Crested Vertigo | Vertigo | pygmaea | | 1 | Land Snails | Vertiginidae | Stylommatophora | Gastropoda | Animalia |
| Swamp Vertigo | Vertigo | teskeyae | | 0 | Land Snails | Vertiginidae | Stylommatophora | Gastropoda | Animalia |
| Honey Vertigo | Vertigo | tridentata | | 0 | Land Snails | Vertiginidae | Stylommatophora | Gastropoda | Animalia |
| Five-tooth Vertigo | Vertigo | ventricosa | | 1 | Land Snails | Vertiginidae | Stylommatophora | Gastropoda | Animalia |
| Eastern Glass-Snail | Vitrina | angelicae | | 0 | Land Snails | Vitrinidae | Stylommatophora | Gastropoda | Animalia |
| Hill Glyph | Glyphyalinia | cumberlandiana | | 0 | Land Snails | Zonitidae | Stylommatophora | Gastropoda | Animalia |
| Carved Glyph | Glyphyalinia | indentata | | 2 | Land Snails | Zonitidae | Stylommatophora | Gastropoda | Animalia |
| Carved Glyph complex | Glyphyalinia | indentata complex | | 2 | Land Snails | Zonitidae | Stylommatophora | Gastropoda | Animalia |
| Furrowed Glyph | Glyphyalinia | luticola | | 2 | Land Snails | Zonitidae | Stylommatophora | Gastropoda | Animalia |
| Rust Glyph | Glyphyalinia | picea | | 0 | Land Snails | Zonitidae | Stylommatophora | Gastropoda | Animalia |
| Maryland Glyph | Glyphyalinia | raderi | | 1 | Land Snails | Zonitidae | Stylommatophora | Gastropoda | Animalia |
| Sculpted Glyph | Glyphyalinia | rhoadsi | | 0 | Land Snails | Zonitidae | Stylommatophora | Gastropoda | Animalia |
| Imperphorate Glyph | Glyphyalinia | solida | | 1 | Land Snails | Zonitidae | Stylommatophora | Gastropoda | Animalia |
| Bright Glyph | Glyphyalinia | wheatleyi | | 3 | Land Snails | Zonitidae | Stylommatophora | Gastropoda | Animalia |
| Southeastern Gem | Hawaiia | alachuana | | 0 | Land Snails | Zonitidae | Stylommatophora | Gastropoda | Animalia |
| Minute Gem | Hawaiia | minuscula | | 3 | Land Snails | Zonitidae | Stylommatophora | Gastropoda | Animalia |
| Copper Button | Mesomphix | cupreus | | 0 | Land Snails | Zonitidae | Stylommatophora | Gastropoda | Animalia |
| Plain Button | Mesomphix | inornatus | | 1 | Land Snails | Zonitidae | Stylommatophora | Gastropoda | Animalia |
| Smooth Button | Mesomphix | perlaevis | | 0 | Land Snails | Zonitidae | Stylommatophora | Gastropoda | Animalia |
| Amber Glass | Nesovitrea | electrina | | 0 | Land Snails | Zonitidae | Stylommatophora | Gastropoda | Animalia |
| Dentate Supercoil | Paravitrea | multidentata | | 0 | Land Snails | Zonitidae | Stylommatophora | Gastropoda | Animalia |
| Natural Bridge Supercoil | Paravitrea | pontis | | 0 | Land Snails | Zonitidae | Stylommatophora | Gastropoda | Animalia |