Land Snail List for Texas
still under revision please let me know if you find errors/omissions

159 native recent species
186 species total: fossil & drift included
23 species known from Texas only from fossils or drift
11 species introduced

HELICINIDAE

001 Olygyra orbiculata (Say, 1818)

POMATIOPSIDAE

002 Pomatiopsis lapidaria (Say, 1817), (fossil, Hubricht)

Truncatellidae

003 Truncatella subcylindrica (Linne) (drift, Hubricht)

CARYCHIIDAE

004 Carychium exiguum (Say) (fossil, Hubricht)

005 Carychium mexicanum Pilsbry, 1891

COCHLICOPIDAE

006 Cochlicopa lubricella (Porro) (fossil, drift, Hubricht)

PUPILLIDAE

007 Pupilla blandi Morse

008 Pupilla hebes (Ancey)

009 Pupilla muscorum (fossil)

010 Pupilla sonorana (Sterki)

011 Pupilla syngenes (Pilsbry)

012 Pupisoma dioscoricola (C.B. Adams)

013 Pupisoma macneilli (Clapp)

014 Gastrocopta abbreviata (Sterki, 1909)

015 Gastrocopta ashmuni (Sterki)

016 Gastrocopta armifera (Say, 1821)

017 Gastrocopta contracta (Say, 1822)

018 Gastrocopta corticaria (Say, 1816) (fossil, drift, Hubricht)

019 Gastrocopta cristata (Pilsbry & Vanatta)

020 Gastrocopta dalliana (Sterki)

021 Gastrocopta franzenae Taylor 1960

022 Gastrocopta holzingeri (Sterki)

023 Gastrocopta paracristata Franzen & Leonard (fossil, Hubricht) 1947

024 Gastrocopta pellucida (Pfeiffer, 1841)

025 Gastrocopta pentodon (Say, 1821)

026 Gastrocopta pilsbryana (Sterki)

027 Gastrocopta procera (Gould, 1840)

028 Gastrocopta rexroadensis Franzen & Leonard 1947

029 Gastrocopta riograndensis (Pilsbry & Vanatta)

030 Gastrocopta ruidosensis (Cockerell) (fossil, Hubricht)

031 Gastrocopta rupicola (Say, 1821)

032 Gastrocopta sterkiana Pilsbry

033 Gastrocopta tappaniana (C. B. Adams, 1842)

034 Pupoides albilabris (C. B. Adams, 1821)

035 Pupoides hordaceus (Gabb) (fossil, Hubricht)

036 Pupoides inornatus Vanatta (fossil, Hubricht)

037 Columella columella (Ingersoll)

038 Columella simplex (Gould)

039 Vertigo elatior Sterki (fossil, Hubricht)

040 Vertigo gouldi (A. Binney) (fossil, Hubricht)

041 Vertigo milium (Gould, 1840)

042 Vertigo modesta (Say) (fossil, Hubricht)

043 Vertigo oralis Sterki, 1898

044 Vertigo oscariana Sterki, 1890

045 Vertigo ovata Say, 1822

046Vertigo rugosula Sterki, 1890

047 Vertigo teskeyae Hubricht, 1961

048 Vertigo tridentata Wolf

VALLONIDAE

049 Vallonia cyclophorella Sterki

050 Vallonia gracilicosta Reinhardt

051 Vallonia parvula Sterki

052 Vallonia perspectiva Sterki

053 Vallonia pulchella (Muller)

 STROBILOPSIDAE

054 Strobilops aenea Pilsbry, 1926

055 Strobilops hubbardi A. D. Brown, 1861

056 Strobilops labyrinthica (Say, 1817)

057 Strobilops lonsdalei lonsdalei Ho & Leonard

058 Strobilops sparsicostata F.C. Baker (fossil, Hubricht)

059 Strobilops texasiana Pilsbry & Ferriss, 1906

Spiraxidae

060 Singleya singleyana (W.G. Binney)

061 Euglandina texasiana (Pfeiffer)

062 Euglandina rosea (Ferussac, 1818) – introduced

063 Pseudosubulina cheatumi Pilsbry

HAPLOTREMATIDAE

064 Haplotrema concavum (Say, 1821)

BULIMULIDAE

065 Rabdotus alternatus (Say)

066 Rabdotus dealbatus (Say, 1821)

067 Rabdotus dealbatus durangoanus (Martens)

068 Rabdotus dealbatus ragsdalei (Pilsbry)

069 Rabdotus mooreanus (Pfeiffer, 1868)

070 Rabdotus pilsbryi (Ferriss)

PUNCTIDAE

071 Punctum minutissimum (I. Lea, 1841)

072Punctum vitreum (H.B. Baker, 1930)

HELICODISCIDAE

073 Helicodiscus eigenmanni Pilsbry

074 Helicodiscus inermis H. B. Baker, 1929

075 Helicodiscus notius Hubricht, 1962

076 Helicodiscus nummus (Vanatta) (drift, Hubricht)

077 Helicodiscus parallelus (Say, 1817)

078 Helicodiscus roundyi (Morrison)

079 Helicodiscus shimeki Hubricht (drift, Hubricht)

080 Helicodiscus singleyanus (Pilsbry, 1890)

081 Helicodiscus tridens (Morrison)

DISCIDAE

082 Anguispira strongyloides (Pfeiffer, 1854)

083 Discus cronkhitei (Newcomb) (fossil, Hubricht)

PHILOMYCIDAE

084 Megapallifera mutabilis (Hubricht, 1951)

085 Philomycus carolinianus (Bosc, 1802)

SUCCINEIDAE

086 Catinella avara(Say, 1824)

087 Succinea forsheyi I. Lea, 1864

088 Succinea grosvenori I. Lea, 1857

089 Succinea indiana Pilsbry, 1905

090 Succinea luteola Gould

091 Succinea paralia Hubricht, 1983

092 Succinea solastra Hubricht

093 Succinea unicolor Tryon, 1866

HELICARIONIDAE

094 Euconulus fulvus (Müller)

095 Euconulus trochulus (Reinhardt, 1883)

096 Guppya gundlachi (Pfeiffer)

ZONITIDAE

097 Glyphyalina indentata (Say, 1822)

098 Glyphyalina roemeri (Pilsbry & Ferriss)

099 Glyphyalina umbilicata (Singley in Cockerell)

100 Hawaiia alachuana Dall

101 Hawaiia minuscula (A. Binney, 1962)

102 Mesomphix friabilis (W. G. Binney, 1857)

103 Mesomphix globosus (MacMillan, 1940)

104 Nesovitrea electrina (Gould) (fossil, Hubricht)

105 Nesovitrea suzannae Pratt

106 Paravitrea conecuhensis (Clapp, 1917)

107 Paravitrea simpsoni (Pilsbry)

108 Striatura meridionalis (Pilsbry and Ferriss, 1906)

109 Ventridens demissus (A. Binney, 1843)

110 Ventridens intertextus (A. Binney, 1841)

111 Zonitoides arboreus (Say, 1816)

112 Zonitoides kirbyi Fullington

LIMACIDAE

113 Deroceras laeve (Muller, 1774)

114 Deroceras aenigma Leonard (fossil, Hubricht)

POLYGYRIDAE

116 Ashmunella kochi amblya Pilsbry, 1940

117 Ashmunella pasonis (Drake, 1951)

118 Ashmunella bequaerti (Clench & Miller, 1966)

119 Ashmunella edithae Pilsbry & Cheatum, 1951

120 Ashmunella mudgei Cheatum, 1970

121 Daedalochila auriformis (Bland, 1859)

122 Daedalochila chisosensis Pilsbry, 1936

123 Daedalochila hippocrepis (Pfeiffer)

124 Daedalochila implicata (Martins) – (drift, Cheatum & Fullington)

125 Daedalochila leporina (Gould, 1848)

126 Daedalochila polita Pilsbry & Hinkley

127 Daedalochila triodontoides (Bland)

128 Daedalochila scintilla Pilsbry & Hubricht, 1956

129 Linisa tamaulipasensis (I.Lea)

130 Linisa texasiana (Moricand, 1833)

131 Inflectarius inflectus (Say, 1821)

132 Mesodon clausus clausus (Say, 1824) (drift, Hubricht)

133 Mesodon thyroidus (Say, 1816)

134 Mesodon zaletus (A. Binney, 1837)

135 Millerelix dorfeuilliana (I. Lea)

136 Millerelix gracilis Hubricht

137 Millerelix mooreana (W.G. Binney)

138 Patera leatherwoodi Pratt

139 Patera roemeri (Pfeiffer)

140 Polygyra cereolus (Muhlfeld, 1818)

141 Polygyra latispira Pilsbry, 1896 – uncertain taxonomic status

142 Polygra oppilata (Morelet, 1849) – (beach drift, S. Texas Coast, Cheatum & Fullington)

143 Polygyra rhoadsi Pilsbry, 1899 – (Mexican species, occasionally found in Texas Rio Grande drift, Cheatum & Fullington)

144 Polygyra septemvolva (Say, 1818)

145 Polygyra tholus (W.G. Binney) – uncertain taxonomic status

146 Praticolella berlandieriana (Moricand)

147 Praticolella candida Hubricht

148 Praticolella griseola (Pfeiffer)

149 Praticolella pachyloma (Menke in Pfeiffer)

150 Praticolella taeniata Pilsbry

151 Praticolella trimatris (Hubricht)

152 Euchemotrema leai aliciae (Pilsbry, 1893)

153 Euchemotrema leai cheatumi (Fullington)

154 Stenotrema stenotrema (Pfeiffer, 1819)

155 Triodopsis alabamensis (Pilsbry, 1902)

156 Triodopsis cragini Call

157 Triodopsis divesta (Gould)

158 Xolotrema fosteri (F.C. Baker)

159 Triodopsis henriettae (Mazyck)

160 Triodopsis vultuosa (Gould)

THYSANOPHORIDAE

161 Microphysula ingersolli (Bland)

162 Thysanophora horni (Gabb)

163 Thysanophora plagioptchya (Shuttleworth)

UROCOPTIDAE

164 Holospira danielsi Pilsbry & Ferriss

165 Holospira goldfussi (Menke, 1847)

166 Holospira goldfussi anacachensis Bartsch

167 Holospira hamiltoni Dall

168 Holospira mesolia Pilsbry

169 Holospira montivaga Pilsbry

170 Holospira oritis Pilsbry & Cheatum

171 Holospira pasonis Dall

172 Holospira pityis Pilsbry & Cheatum

173 Holospira riograndensis Pilsbry

174 Holospira yucatanensis Bartsch

175 Metastoma roemeri (Pfeiffer, 1848)

176 Microceramus texanus (Pilsbry, 1898)

HUMBOLDTIANIDAE

177 Humboldtiana agavophila Pratt, 1971

178 Humboldtiana cheatumi Pilsbry, 1935

179 Humboldtiana chisosensis Pilsbry, 1927

180 Humboldtiana edithae Parodiz, 1954

181 Humboldtiana ferrissiana Pilsbry, 1928

182 Humboldtiana fullingtoni Cheatum, 1972

183 Humboldtiana hoegiana praesidii Pilsbry, 1939

184 Humboldtiana palmeri Clench and Rehder, 1930

185 Humboldtiana texana Pilsbry, 1927

186 Humboldtiana ultima Pilsbry, 1927

OREOHELICIDAE

187 Oreohelix ferrissi ferrissi Pilsbry

188 Oreohelix socorroensis socorroensis Pilsbry

INTRODUCED SPECIES IN TEXAS

BRADYBAENIDAE

Bradybaena similaris (Ferussac) – introduced

SUBULINIDAE

140 Opeas pumilum – introduced

141 Opeas pygula – introduced

142 Rumina decollata (Linne, 1758) – introduced

000 Lamellaxis gracilis (Hutton) – introduced

000 Lamellaxis micra (Orbigny) – introduced

SPIRAXIDAE

051 Euglandina rosea (Ferussac, 1818) – introduced

HELICIDAE

134 Helix aspera Muller, 1774 - introduced

000 Otala lactea Muller

000 Otala vermiculata Muller

LIMACIDAE

115 Limax flavus Linnaeus, 1758 - introduced

Uncertain taxonomic status indicates that the species either have not be reassigned to genus (in the case of some polygyrids), or are referred to as uncertain or omitted from Turgeon et al. 1998.

REFERENCES

Cheatum, E. P. and R. W. Fullington. 1971. The Aquatic and Land Mollusca of Texas.Part One:The Recent and Pleistocene Members of the Gastropod Family Polygyridae in Texas.Bulletin 1.Dallas Museum of Natural History, Dallas. 
Cheatum, E. P. and R. W. Fullington. 1971. The Aquatic and Land Mollusca of Texas:Supplement:Keys to the Families of the Recent Land and Fresh-Water Snails of Texas. Bulletin 1.Dallas Museum of Natural History, Dallas. 
Cheatum, E. P. and R. W. Fullington. 1973. The Aquatic and Land Mollusca of Texas.Part Two:The Recent and Pleistocene Members of the Pupilidae and Urocoptidae (Gastropoda) in Texas.Bulletin 1.Dallas Museum of Natural History, Dallas.

Fullington, R. W., and W. L. Pratt. 1974. The Aquatic and Land Mollusca of Texas. Part Three:The Helicinidae, Carychiidae, Achatinidae, Bradybaenidae, Bulimidae, Cionellidae, Haplotrematidae, Helicidae, Oreohelicidae, Spiraxidae, Streptaxidae, Strobilopsidae, Thysanophoridae,,Valloniidae (Gastropoda) in Texas.Bulletin 1.Dallas Museum of Natural History, Dallas.

Hubricht, L.1985. The distribution of the native land molluscs of the eastern United States. —Fieldiana Zoology 24, 191 pp.