Crenatula is a genus in the family Pteriidae.
References
Tëmkin I. (2010) Molecular phylogeny of pearl oysters and their relatives (Mollusca, Bivalvia, Pterioidea). BMC Evolutionary Biology 10: 342
External links
Crenatula at Biolib.cz Crenatula at the World Register of Marine Species (WoRMS)