''Pomacea decussata'' is a species of

freshwater snail Freshwater snails are gastropod mollusks which live in fresh water. There are many different families. They are found throughout the world in various habitats, ranging from ephemeral pools to the largest lakes, and from small seeps and springs ...

in the family Ampullariidae. It was first described by Stéfano Moricand as ''Ampullaria decussata'' in 1836. ''

Pomacea commissionis ''Pomacea comissionis'' is a species of freshwater snail in the family Ampullariidae. It was first described by Hermann von Ihering in 1898 as a variety (i.e., subspecies In biological classification, subspecies is a rank below species, u ...

'' was originally considered a

subspecies In biological classification, subspecies is a rank below species, used for populations that live in different areas and vary in size, shape, or other physical characteristics (morphology), but that can successfully interbreed. Not all species ...

of ''P. decussata''.

References

* Simone, L. R. L. (2006). Land and Freshwater Molluscs of Brazil. Editora Grafíca Bernardi, FAPESP. São Paulo, 390 pp.

External links

Cowie, R. H. & Thiengo, S. C. (2003). The apple snails of the Americas (Mollusca: Gastropoda: Ampullariidae: Asolene, Felipponea, Marisa, Pomacea, Pomella): A nomenclatural and type catalog. Malacologia. 45(1): 41-100
decussata Freshwater snails Taxa named by Moïse Étienne Moricand Gastropods described in 1836 {{Ampullariidae-stub