Taxa Count: 159
ACHATINIDAE
Allopeas micra
Lamellaxis guatemalensis
Lamellaxis mexicanus
Leptinaria elisae
Leptinaria livingstonensis
Opeas hannense
AMPULLARIIDAE
Pomacea flagellata
Pomacea lattrei
ANCYLIDAE
ANNULARIIDAE
Gouldipoma rubicundum
Halotudora gruneri
BULIMULIDAE
Antidrymaeus sulphureus
Bulimulus corneus
Drymaeus castus
Drymaeus jonasi
Drymaeus translucens
CAECIDAE
COCHLIOPIDAE
Cochliopina dulcensis
Cochliopina guatemalensis
Cochliopina hinkleyi
Cochliopina izabal
Pyrgophorus coronatus
Pyrgophorus vulcani
CYLICHNIDAE
CYRENIDAE
Polymesoda arctata
CYRENOIDIDAE
DIPLOMMATINIDAE
DONACIDAE
Donax striatus
Iphigenia brasiliensis
DREISSENIDAE
ELLOBIIDAE
Carychium costaricensis
Pythia pyramidata
EPIROBIIDAE
Epirobia polygyrella
EPITONIIDAE
Epitonium scalare
EUCALODIIDAE
Coelocentrum fistulare
Coelocentrum gigas
EUCONULIDAE
Guppya gundlachii
Habroconus elegans
FERRUSSACIIDAE
FERUSSACIIDAE
Cecilioides consobrinus
HAMINOEIDAE
HELICINIDAE
Helicina amoena
Helicina flavida
Helicina fragilis
Helicina oweniana
Helicina raresulcata
Helicina rostrata
Helicina tenuis
Helicina trossula
Lucidella lirata
Pyrgodomus microdinus
Schasicheila walkeri
HELICODISCIDAE
Chanomphalus pilsbryi
HEMISINIDAE
LITIOPIDAE
LITTORINIDAE
Echinolittorina angustior
LYMNAEIDAE
MACTRIDAE
MEGALOMASTOMATIDAE
Tomocyclus simulacrum
MELONGENIDAE
Melongena melongena
MURICIDAE
Pinaxia coronata
MYTILIDAE
NEOCYCLOTIDAE
Amphicyclotus boucardi
Neocyclotus bisinuatus
Neocyclotus dysoni
NERITIDAE
Neritina punctulata
NERITILIIDAE
Neritilia succinea
ORTHALICIDAE
OSTREIDAE
PACHYCHILIDAE
Pachychilus corvinus
Pachychilus glaphyrus
Pachychilus graphium
Pachychilus hinkleyi
Pachychilus indiorum
Pachychilus lacustris
Pachychilus largillierti
Pachychilus obeliscus
Pachychilus pottsianus
PHOLADIDAE
PISIDIIDAE
PLANORBIDAE
Biomphalaria obstructa
Biomphalaria orbicula
Drepanotrema cultratum
Gundlachia hinkleyi
Hebetancylus excentricus
Laevapex papillaris
Planorbella caloderma
POTAMIDIDAE
POTERIIDAE
PUPILLIDAE
SCOLODONTIDAE
Drepanostomella stolli
Miradiscops puncticipitis
SOLECURTIDAE
SPHAERIIDAE
Pisidium guatemalense
SPIRAXIDAE
Euglandina decussata
Mayaxis mitescens
Pseudosubulina berendti
Pseudosubulina salvini
Salasiella guatemalensis
Salasiella hinkleyi
Streptostyla delibuta
Streptostyla lattrei
Streptostyla nigricans
Streptostyla sololensis
Streptostyla turgidula
Varicoglandina monilifera
SPIRULIDAE
STROBILOPSIDAE
Strobilops strebeli
STROMBIDAE
SUBULINIDAE
Leptinaria livingstonensis
SUCCINEIDAE
Succinea recisa
TELLINIDAE
TEREDINIDAE
THYASIRIDAE
THYSANOPHORIDAE
Lyroconus plagioptycha
TRICHODISCINIDAE
Averellia coactiliata
Miraverellia sargi
Trichodiscina hinkleyi
UNIONIDAE
Nephronaias ortmanni
UROCOPTIDAE
Brachypodella morini
Brachypodella subtilis
Gongylostoma lirata
Microceramus concisus
VALLONIIDAE
Pupisoma mediamericanum
VENERIDAE
VERMETIDAE
XANTHONYCHIDAE
Leptarionta trigonostoma
Lysinoe ghiesbreghti
ZONITIDAE