Gastropoda - Sorbeoconcha - Rissoidae
This was originally a subgenus of Rissoina, not Zebina.
Full reference: M. Cossmann. 1921. Essais de Paléoconchologie comparée. livraison 12 1-349
Parent taxon: Rissoina according to M. Cossmann 1921
See also Marshall and Faber 2015, Sepkoski 2002 and Vaught et al. 1989
Sister taxa: Rissoina (Ailinzebina), Rissoina (Apataxia), Rissoina (Mirarissoina), Rissoina (Pachyrissoina), 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: none
Ecology: epifaunal grazer
Distribution: found only at PRI 1423 (Eocene of Alabama)