Gastropoda - Sorbeoconcha - Rissoidae

Alternative spelling: Pachyrissoina

Parent taxon: Rissoina according to W. F. Ponder 1984

See also Sepkoski 2002

Sister taxa: Rissoina (Ailinzebina), Rissoina (Apataxia), Rissoina (Leaella), Rissoina (Mirarissoina), Rissoina (Parazebinella), Rissoina (Phosinella), Rissoina (Rissoina), Rissoina (Rissolina), Rissoina (Schwartziella), Rissoina (Zebinella), Rissoina albertensis, Rissoina bruguieri, Rissoina californica, Rissoina cerithiiformis, Rissoina cleo, Rissoina elegantissima, Rissoina gemma, Rissoina gerasimovi, Rissoina kelseyi, Rissoina mississippiensis, Rissoina nereina, Rissoina oryza, Rissoina podolica, Rissoina rakhiensis, Rissoina tennesseensis, Rissoina tenuistriata

Subtaxa: Rissoina (Pachyrissoina) walkeri

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Ecology: epifaunal grazer

Distribution: there are no occurrences of Rissoina (Pachyrissoina) in the database

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