Freshwater Snails of Houston, TX And Vicinity


Below "I" does a google image search, "T" a google text search and "N" goes to the NatureServe page for the given species.

FAMILY AMPULLARIIDAE
Marisa cornuarietis - Giant Rams-horn, Exotic I , T , N
Pomacea insularum , CHANNELED APPLE SNAIL, I , T , N

FAMILY ANCYIIDAE
Ferrissia fragilis , I , T , N
Ferrissia rivularis , I , T , N
Hebetancylus excentricus , I , T , N
Laevapex fuscus - Dusky Ancylid , I , T , N

FAMILY HYDROBIIDAE
Amnicola limosa , I , T , N
Cincinnatia cincinnatiensis , I , T , N
Cincinnatia integra , MIDLAND SILTSNAIL, I , T , N
Cincinnatia peracuta , I , T , N
Littoridinops monroensis - Cockscomb Hydrobe , I , T , N
Orygoceras sp .
Phreatodrobia micra - Flattened Cavesnail (Syn. Hauffenia micra), I , T , N
Probythinella emarginata - Delta Hydrobe (Syn. Probythinella lacustris), I , T , N
Pyrgophorus spinosus , I , T , N
Texapyrgus longleyi - Striated Hydrobe , Critically imperiled (probably west of houston), I , T , N
Tryonia diaboli , Critically imperiled (probably west of houston), I , T , N

FAMILY LYMNAEIDAE
Fossaria cockerelli (Syn. Fossaria bulimoides cockerelli), I , T , N
Fossaria cubensis , I , T , N
Fossaria dalli , I , T , N
Fossaria modicello (Syn. Fossaria obrussa modicello), I , T , N
Fossaria obrussa , I , T , N
Fossaria parva , I , T , N
Pseudosuccinea columella , I , T , N
Radix auricularia ?, I , T , N
Stagnicola elodes ?, I , T , N
Stagnicola caperata - Wrinkled Marshsnail (Syn. Lymnaea caperata) , I , T , N

FAMILY NERITIDAE
Neritina usnea - Olive Nerite (Syn. Neritina reclivata) , I , T , N

FAMILY PHYSIDAE
Physella bottimeri , I , T , N
Physella conoidea , I , T , N
Physella gyrina hawni , I , T , N
Physella gyrina smithiana , I , T , N
Physella heterostropha halei , I , T , N
Physella integra - Ashy Physa (Syn. Physa integra ), I , T , N
Physella mexicana - Polished Physa, May occur only west of houston area. Range = AZ, NM, TX, I , T , N
Physella squalida , I , T , N
Physella virgata virgata , I , T , N
Physella virgata anatina , I , T , N
Physella virgata berendri , I , T , N
Physella virgata rhyssa , I , T , N
Stenophysa marmorata , Exotic, I , T , N
Stenophysa maugeriae , Exotic, I , T , N
Unknown physidae

FAMILY PLANORBIDAE
Biomphalaria havanensis , Ghost Rams-horn, I , T , N , Burch 178
Drepanotrema aeruginosum , Exotic, I , T , N , Burch 178
Drepanotrema cimex , Exotic, I , T , N , Burch 179
Drepanotrema kermatoides , Exotic, I , T , N , Burch 178
Gyraulus parvus - , I , T , N
Helisoma anceps (Syn. Helisoma anceps anceps), I , T , N , Burch 178
Micromenetus dilatatus (Syn. Menetus dilatatus), I , T , N , Burch 180
Planorbella tenuis , Range AZ, CA, NM, TX (May only occur west of houston), I , T , N , Burch 183
Planorbella trivolvis lenta , I , T , N
Planorbella trivolvis turgida , I , T , N
Promenetus exacuous , I , T , N , Burch 186

FAMILY PLEUROCERIDAE
Elimia comalensis comalensis -- Possibly Extinct. Historically found in Guadeloupe and Brazos rivers (Burch and Tottenham 1980). C. Lydeard (pers. comm. 2000) is not aware of any recent status surveys searching for this particular species in Texas. , I , T , N

FAMILY POMATIOPSIDAE
Pomatiopsis lapidaria , I , T , N

FAMILY THIARIDAE
Melanoides tuberculatus (Syn. Melanoides tuberculata), Exotic, I , T , N
Tarebia granifera - Quilted Melania (Syn. Thiara granifera), Exotic, I , T , N

FAMILY VIVIPARIDAE
Campeloma decisum , POINTED CAMPELOMA, I , T , N
Viviparus intertextus , I , T , N
Viviparus subpupureus , I , T , N

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Biota of Houston, TX and Vicinity

© Dan Johnson 2006