| Asian Trampsnail | Bradybaena similaris | Exotic | I | T | N | G5 | Burch 182 |
| Striped Radbotus | Rabdotus alternatus | I | T | N | G5 | Burch 134 |
| Whitewashed Rabdotus | Rabdotus dealbatus | I | T | N | G5 | Burch 133 |
| Whitewashed Rabdotus | Rabdotus dealbatus ragsdalei | I | T | N | G5 | |
| Rabdotus durangoanus | I | T | N | G4 | ||
| Prairie Rabdotus | Rabdotus mooreanus | I | T | N | G5 | |
| Elongate Rabdotus | Rabdotus pilsbryi | I | T | N | G5 |
| Obese Thorn | Carychium exiguum | I | T | N | G5 |
| Southern Thorn | Carychium mexicanum | I | T | N | G5 |
| Thin Pillar | Cochlicopa lubricella | I | T | N | G5 |
| Flamed Tigersnail | Anguispira alternata | I | T | N | G5 | Burch 75 |
| Tombigbee Tigersnail | Anguispira macneilli | I | T | N | G2 | |
| Southeastern Tigersnail | Anguispira strongyloides | I | T | N | G5 | |
| Forest Disc | Discus whitneyi | I | T | N | G5 |
| Obtuse Awlsnail | Cecilioides aperta | I | T | N | G5 |
| Gray-foot Lancetooth | Haplotrema concavum | I | T | N | G5 | Burch 120 |
| Wild Hive | Euconulus chersinus | I | T | N | G? | Burch 103 |
| Brown Hive | Euconulus fulvus | I | T | N | G5 | Burch 102 |
| Silk Hive | Euconulus trochulus | I | T | N | G5 | |
| Glossy Granule | Guppya gundlachi | I | T | N | G3 | Burch 104 |
| Grovesnail | Cepaea nemoralis | Exotic | I | T | N | G5 | |
| Brown Gardensnail | Helix aspersa | Exotic | I | T | N | G5 | Burch 187 |
| Milk Snail | Otala lactea | Exotic | I | T | N | G5 | Burch 185 |
| Chocolate-band Snail | Eobania vermiculata | Exotic | I | T | N | G5 | Burch 186 |
| Globular Drop | Oligyra orbiculata | I | T | N | G5 | Burch 37 |
| Mexican Coil | Helicodiscus eigenmanni | I | T | N | G5 | Burch 78 |
| Oldfield Coil | Helicodiscus inermis | I | T | N | G4 | |
| Tight Coil | Helicodiscus notius | I | T | N | G5 | |
| Wax Coil | Helicodiscus nummus | I | T | N | G1 | Burch 79 |
| Compound Coil | Helicodiscus parallelus | I | T | N | G5 | Burch 78 |
| Helicodiscus roundyi | I | T | N | G? | ||
| Temperate Coil | Helicodiscus shimeki | I | T | N | G4 | |
| Smooth Coil | Helicodiscus singleyanus | I | T | N | G5 | Burch 79 |
| Crosstimbers Coil | Helicodiscus tridens | I | T | N | G2 | Burch 106 |
| Hueco Mountains Talus Snail | Sonorella huecoensis | I | T | N | G2 |
| Franklin Mountain Talus Snail | Sonorella metcalfi | I | T | N | G2 |
| Agave Threeband | Humboldtiana agavophila | I | T | N | G1 |
| Davis Mountain Threeband | Humboldtiana cheatumi | I | T | N | G2 |
| Chisos Threeband | Humboldtiana chisosensis | I | T | N | G1 |
| Boulderslide Threeband | Humboldtiana edithae | I | T | N | G1 |
| Mitre Peak Threeband | Humboldtiana ferrissiana | I | T | N | G2 |
| Capote Threeband | Humboldtiana fullingtoni | I | T | N | G1 |
| San Carlos Threeband | Humboldtiana hoegiana praesidii | I | T | N | G3 |
| Mt. Livermore threeband | Humboldtiana palmeri | I | T | N | G2 |
| Stockton Plateau Threeband | Humboldtiana texana | I | T | N | G2 |
| Northern Threeband | Humboldtiana ultima | I | T | N | G2 |
| Evening Fieldslug | Deroceras laeve | I | T | N | G5 | Burch 83 | |
| Yellow Gardenslug | Limax flavus | Exotic | I | T | N | G5 | Burch 82 |
| Socorro Mountainsnail | Oreohelix socorroensis socorroensis | I | T | N | G3 |
| Fringed Mountainsnail | Radiocentrum ferrissi | I | T | N | G1 |
| Changeable Mantleslug | Megapallifera mutabilis | I | T | N | G5 | |
| Carolina Mantleslug | Philomycus carolinianus | I | T | N | G5 | Burch 71 |
| San Andres Woodlandsnail | Ashmunella amblya | I | T | N | G3 | |
| Goat Cave Woodlandsnail | Ashmunella bequaerti | I | T | N | G1 | |
| Guadalupe Woodlandsnail | Ashmunella carlsbadensis | I | T | N | G1 | |
| McKittrick Woodlandsnail | Ashmunella edithae | I | T | N | G1 | |
| Sawtooth Mountain Woodlandsnail | Ashmunella mudgei | I | T | N | G1 | |
| Franklin Mountain Woodlandsnail | Ashmunella pasonis | I | T | N | G2 | |
| Hells's Canyon Woodlandsnail | Ashmunella sprouli | I | T | N | G1 | |
| Ocala Liptooth | Daedalochila auriformis | I | T | N | G4 | Burch 151 |
| Chisos Liptooth | Daedalochila chisosensis | I | T | N | G2 | Burch 156 |
| Horseshoe Liptooth | Daedalochila hippocrepis | I | T | N | G1 | Burch 149 |
| Daedalochila implicata | I | T | N | G? | ||
| Gulf Coast Liptooth | Daedalochila leporina | I | T | N | G4 | Burch 154 |
| Grassland Liptooth | Daedalochila mooreana | I | T | N | G3 | |
| Suave Liptooth | Daedalochila polita | I | T | N | G3 | |
| Daedalochila scintilla | I | T | N | G1 | ||
| Marsh Liptooth | Daedalochila triodontoides | I | T | N | G3 | Burch 155 |
| Lowland Pillsnail | Euchemotrema leai aliciae | I | T | N | G5 | Burch 169 |
| Palmetto Pillsnail | Euchemotrema leai cheatumi | I | T | N | G5 | |
| Shagreen | Inflectarius inflectus | I | T | N | G5 | Burch 157 |
| Dryland Liptooth | Linisa tamaulipasensis | I | T | N | G3 | |
| Texas Liptooth | Linisa texasiana | I | T | N | G3 | Burch 156 |
| Yellow Globelet | Mesodon clausus clausus | I | T | N | G5 | Burch 176 |
| White-Lip Globe | Mesodon thyroidus | I | T | N | G5 | Burch 176 |
| Toothed Globe | Mesodon zaletus | I | T | N | G5 | Burch 175 |
| Oakwood Liptooth | Millerelix dorfeuilliana | I | T | N | G4 | Burch 153 |
| Edwards Plateau Liptooth | Millerelix gracilis | I | T | N | G2 | |
| Grassland Liptooth | Millerelix mooreana | I | T | N | G3 | Burch 154 |
| Ozark Whitelip | Neohelix divesta | I | T | N | G3 | Burch 173 |
| Half-lidded Oval | Patera binneyana | I | T | N | G3 | |
| Pedernales Oval | Patera leatherwoodi | I | T | N | G1 | |
| Texas Oval | Patera roemeri | I | T | N | G3 | Burch 163 |
| Southern Flatcoil | Polygyra cereolus | I | T | N | G4 | Burch 149 |
| Polygyra latispira | I | T | N | G? | Burch 155 | |
| Polygra oppilata | I | T | N | G? | ||
| Polygyra rhoadsi | I | T | N | G? | ||
| Florida Flatcoil | Polygyra septemvolva | I | T | N | G5 | Burch 149 |
| Polygyra tholus | I | T | N | G? | Burch 155 | |
| Banded Scrubsnail | Praticolella berlandieriana | I | T | N | G2 | Burch 180 |
| White Scrubsnail | Praticolella candida | I | T | N | G2 | |
| Vagrant Scrubsnail | Praticolella griseola | I | T | N | G3 | Burch 179 |
| Sandyland Scrubsnail | Praticolella pachyloma | I | T | N | G3 | |
| Striped Scrubsnail | Praticolella taeniata | I | T | N | G3 | |
| Hidalgo Scrubsnail | Praticolella trimatris | I | T | N | G2 | |
| Inland Slitmouth | Stenotrema stenotrema | I | T | N | G5 | Burch 146 |
| Alabama Threetooth | Triodopsis alabamensis | I | T | N | G4 | |
| Post Oak Threetooth | Triodopsis cragini | I | T | N | G4 | Burch 164 |
| Sharp Wedge | Triodopsis fosteri | I | T | N | G5 | Burch 159 |
| Pineywoods Threetooth | Triodopsis henriettae | I | T | N | G3 | |
| Texas Threetooth | Triodopsis vultuosa | I | T | N | G3 | Burch 166 |
| Small Spot | Punctum minutissimum | I | T | N | G5 | Burch 80 |
| Glass Spot | Punctum vitreum | I | T | N | G5 | Burch 80 |
| Rocky Mountain Column | Pupilla blandi | I | T | N | G4 | Burch 55 |
| Crestless Column | Pupilla hebes | I | T | N | G5 | |
| Three-tooth Column | Pupilla sonorana | I | T | N | G4 | |
| Top-heavy Column | Pupilla syngenes | I | T | N | G4 | |
| Yam Babybody | Pupisoma dioscoricola | I | T | N | G3 | Burch 49 |
| Gulf Babybody | Pupisoma macneilli | I | T | N | G3 | Burch 49 |
| Plains Snaggletooth | Gastrocopta abbreviata | I | T | N | G4 | |
| Sluice Snaggletooth | Gastrocopta ashmuni | I | T | N | G4 | |
| Armed Snaggletooth | Gastrocopta armifera | I | T | N | G5 | Burch 50 |
| Bottleneck Snaggletooth | Gastrocopta contracta | I | T | N | G5 | Burch 50 |
| Bark Snaggletooth | Gastrocopta corticaria | I | T | N | G5 | Burch 53 |
| Crested Snaggletooth | Gastrocopta cristata | I | T | N | G5 | Burch 52 |
| Shortneck Snaggletooth | Gastrocopta dalliana | I | T | N | G3 | |
| Gastrocopta franzenae | I | T | N | G? | ||
| Lambda Snaggletooth | Gastrocopta holzingeri | I | T | N | G5 | Burch 51 |
| Slim Snaggletooth | Gastrocopta pellucida | I | T | N | G5 | Burch 53 |
| Comb Snaggletooth | Gastrocopta pentodon | I | T | N | G5 | Burch 54 |
| Montane Snaggletooth | Gastrocopta pilsbryana | I | T | N | G5 | |
| Wing Snaggletooth | Gastrocopta procera | I | T | N | G5 | Burch 52 |
| Gastrocopta rexroadensis | I | T | N | G? | ||
| Rio Grande Snaggletooth | Gastrocopta riograndensis | I | T | N | GH | |
| Gulf Coast Snaggletooth | Gastrocopta riparia | I | T | N | G4 | |
| Tapered Snaggletooth | Gastrocopta rupicola | I | T | N | G3 | Burch 51 |
| Ruidoso Snaggletooth | Gastrocopta ruidosensis | I | T | N | G1 | |
| Gastrocopta sterkiana | I | T | N | G2 | ||
| White Snaggletooth | Gastrocopta tappaniana | I | T | N | G5 | Burch 54 |
| White-lip Dagger | Pupoides albilabris | I | T | N | G5 | Burch 47 |
| Rocky Mountain Dagger | Pupoides inornatus | I | T | N | G2 | |
| Mellow Column | Columella columella | I | T | N | G5 | |
| Columella simplex | I | T | N | G5 | ||
| Tapered Vertigo | Vertigo elatior | I | T | N | G5 | |
| Variable Vertigo | Vertigo gouldi | I | T | N | G5 | |
| Blade Vertigo | Vertigo milium | I | T | N | G5 | Burch 56 |
| Cross Vertigo | Vertigo modesta | I | T | N | G5 | |
| Palmetto Vertigo | Vertigo oralis | I | T | N | G5 | |
| Capitol Vertigo | Vertigo oscariana | I | T | N | G4 | Burch 56 |
| Ovate Vertigo | Vertigo ovata | I | T | N | G5 | Burch 59 |
| Striate Vertigo | Vertigo rugosula | I | T | N | G4 | Burch 58 |
| Swamp Vertigo | Vertigo teskeyae | I | T | N | G5 | |
| Honey Vertigo | Vertigo tridentata | I | T | N | G5 | Burch 61 |
| Rosy Wolfsnail | Euglandina rosea | I | T | N | G5 | ||
| Striate Wolfsnail | Euglandina singleyana | I | T | N | G3 | ||
| Glossy Wolfsnail | Euglandina texasiana | I | T | N | G1 | Burch 121 | |
| Rosy Wolfsnail | Euglandina rosea | Exotic | I | T | N | G5 | Burch 122 |
| Chisos Foxsnail | Pseudosubulina cheatumi | I | T | N | G1 |
| Two-tone Culella | Huttonella bicolor | I | T | N | G5 |
| Bronze Pinecone | Strobilops aenea | I | T | N | G? | Burch 65 |
| Flattened Pinecone | Strobilops hubbardi | I | T | N | G3 | Burch 65 |
| Maze Pinecone | Strobilops labyrinthica | I | T | N | G? | Burch 66 |
| Strobilops lonsdalei lonsdalei | I | T | N | G? | ||
| Southern Pinecone | Strobilops texasiana | I | T | N | G? | Burch 66 |
| Graceful Awlsnail | Allopeas gracile | Exotic | I | T | N | G5 | |
| Dwarf Awlsnail | Opeas pumilum | Exotic | I | T | N | G5 | Burch 126 |
| Sharp Awlsnail | Opeas pygula | Exotic | I | T | N | G5 | Burch 125 |
| Decollate Snail | Rumina decollata | Exotic | I | T | N | G5 | Burch 123 |
| Graceful Awlsnail? | Lamellaxis gracilis | Exotic | I | T | N | G5 | Burch 126 |
| Tiny Awlsnail | Lamellaxis micra | Exotic | I | T | N | G5 | Burch 125 |
| Catinella avara | I | T | N | G5 | Burch 67 | |
| Catinella texana | I | T | N | G1 | ||
| Suboval Ambersnail | Catinella vermeta | I | T | N | G5 | |
| Louisiana Ambersnail | Oxyloma salleanum | I | T | N | G3 | |
| Spotted Ambersnail | Succinea forsheyi | I | T | N | G4 | |
| Dryland Ambersnail | Succinea greerii | I | T | N | G3 | |
| Santa Rita Ambersnail | Succinea grosvenori | I | T | N | G5 | |
| Xeric Ambersnail | Succinea indiana | I | T | N | G5 | |
| Mexico Ambersnail | Succinea luteola | I | T | N | G4 | |
| Saltmarsh Ambersnail | Succinea paralia | I | T | N | G2 | |
| Lone Star Ambersnail | Succinea solastra | I | T | N | G2 | |
| Squatty Ambersnail | Succinea unicolor | I | T | N | G2 | |
| Succinea vaginacontorta | I | T | N | G2 |
| Spruce Snail | Microphysula ingersolli | I | T | N | G4 | |
| Southwestern Fringed-Snail | Thysanophora horni | I | T | N | G? | Burch 136 |
| Lyrate Fringed-Snail | Thysanophora plagioptchya | I | T | N | G? | Burch 135 |
| Truncatella subcylindrica | I | T | N | G? | Burch 40 |
| Strongrib Holospira | Holospira danielsi | I | T | N | G3 | |
| New Braunfels Holospira | Holospira goldfussi | I | T | N | G2 | Burch 130 |
| Holospira goldfussi anacachensis | I | T | N | G? | ||
| Hamilton Holospira | Holospira hamiltoni | I | T | N | G1 | |
| Widemouth Holospira | Holospira mesolia | I | T | N | G1 | |
| Vagabond Holospira | Holospira montivaga | I | T | N | G2 | |
| Mountain Holospira | Holospira oritis | I | T | N | G1 | |
| Robust Holospira | Holospira pasonis | I | T | N | G1 | |
| Pinecone Holospira | Holospira pityis | I | T | N | G1 | |
| Rio Grande Holospira | Holospira riograndensis | I | T | N | G1 | |
| Bartsch Holospira | Holospira yucatanensis | I | T | N | G1 | |
| Distorted Metastoma | Metastoma roemeri | I | T | N | G4 | Burch 129 |
| Pontiff urocoptid | Microceramus pontificus | I | T | N | G2 | Burch 128 |
| Texas urocoptid | Microceramus texanus | I | T | N | G2 |
| Silky Vallonia | Vallonia cyclophorella | I | T | N | G5 | Burch 45 |
| Multirib Vallonia | Vallonia gracilicosta | I | T | N | G5 | Burch 45 |
| Trumpet Vallonia | Vallonia parvula | I | T | N | G4 | Burch 44 |
| Thin-lip Vallonia | Vallonia perspectiva | I | T | N | G4 | Burch 45 |
| Lovely Vallonia | Vallonia pulchella | I | T | N | G5 | Burch 44 |
| Spotted Leatherleaf | Diplosolenodes occidentale | I | T | N | G5 |
| Tan Leatherleaf | Leidyula moreleti | I | T | N | G5 |
| Western Glass-snail | Vitrina pellucida | I | T | N | G5 |
| Carved Glyph | Glyphyalinia indentata | I | T | N | G5 | Burch 101 |
| Pretty Glyph | Glyphyalinia roemeri | I | T | N | G3 | Burch 99 |
| Texas Glyph | Glyphyalinia umbilicata | I | T | N | G5 | |
| Southeastern Gem | Hawaiia alachuana | I | T | N | G4 | |
| Minute Gem | Hawaiia minuscula | I | T | N | G5 | Burch 106 |
| Brittle Button | Mesomphix friabilis | I | T | N | G5 | Burch 92 |
| Globose Button | Mesomphix globosus | I | T | N | G5 | |
| Amber Glass | Nesovitrea electrina | I | T | N | G5 | Burch 101 |
| Live Oak Glass | Nesovitrea suzannae | I | T | N | G1 | |
| Goddess Supercoil | Paravitrea alethia | I | T | N | G1 | |
| Triangular Supercoil | Paravitrea conecuhensis | I | T | N | G3 | Burch 111 |
| Amber Supercoil | Paravitrea simpsoni | I | T | N | G4 | Burch 109 |
| Median Striate | Striatura meridionalis | I | T | N | G5 | Burch 88 |
| Perforate Dome | Ventridens demissus | I | T | N | G5 | Burch 114 |
| Pyramid Dome | Ventridens intertextus | I | T | N | G5 | Burch 112 |
| Quick Gloss | Zonitoides arboreus | I | T | N | G5 | Burch 117 |
| Shadow Gloss | Zonitoides kirbyi | I | T | N | G2 |