AnimalsMollusksSnails & Limpets — Class Gastropoda
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Giant Ramshorn Snail —  Marisa rotula [1]
Family Ampullariidae.
No image available.
Island Applesnail —  Pomacea insularum [1]
Family Ampullariidae.
No image available.
Florida Applesnail —  Pomacea paludosa [1]
Family Ampullariidae.
No image available.
Pecos Assiminea —  Assiminea cienegensis [1]
Family Assimineaidae.
No image available.
Ancylids — Family Ancylidae
Order Basommatophora.
Globular Drop
Globular Drop —  Olygyra orbiculata [2]
Family Helicinidae.
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Hydrobe Family — Family Hydrobiidae
Order Neotaenioglossa.
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Family Lymnaeidae
Order Basommatophora.
No image available.
Olive Nerite —  Neritina usnea [1]
Family Neritidae.
No image available.
Bladder or Tadpole Snails — Family Physidae
Order Basommatophora.
No image available.
Rams-horn Family — Family Planorbidae
Order Basommatophora.
No image available.
Family Pleuroceridae
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Slender Walker —  Pomatiopsis lapidaria [1]
Family Pomatiopsidae.
No image available.
Melanias — Genus Thiara
Family Thiaridae.
No image available.
Three-ridge Valvata —  Valvata tricarinata [1]
Family Valvatidae.
No image available.
Family Viviparidae
Order Architaenioglossa.
Evidence that species is found in Texas:
  1. The Aquatic Invertebrates of Texas, Stephen W. Ziser, Austin Community College, Department of Biology, 2011.
  2. Rick's iNaturalist observations, nature observations of Richard K. Murphy. Identifications are not necessarily confirmed by other users.