Tribe Cryptostreini Harry 1985 (oyster)
Bivalvia - Ostreida - Ostreidae
Parent taxon: Ostreinae according to P. Bouchet et al. 2010
Sister taxa: Amphidonta, Avia, Conradostrea, Cubitostrea, Dendostrea, Fatina, Ferganea, Flemingostrea, Odontogryphaea, Ostreini, Ostreola, Pustulostreini, Sokolowia, Undulostreini
Subtaxa: Cryptostrea
Ecology: stationary epifaunal suspension feeder
Distribution: found only at NMB Loc. 17541 - Araya Peninsula [Araya Fm] (Pliocene of Venezuela)