†Pycnodonte (Costeina) Vialov 1965 (oyster)
Bivalvia - Ostreida - Gryphaeidae
Parent taxon: Pycnodonte according to Vialov 1965
Sister taxa: Gryphaea belli, Pycnodonta frauscheri, Pycnodonta rarilamella, Pycnodonta vesicularis, Pycnodonte (Crenostrea), Pycnodonte (Gigantostrea), Pycnodonte (Pegma), Pycnodonte (Phygraea), Pycnodonte (Pycnodonte), Pycnodonte amakusensis, Pycnodonte costei, Pycnodonte erici, Pycnodonte ewekoroensis, Pycnodonte gryphovicinus, Pycnodonte heermanni, Pycnodonte loeli, Pycnodonte nigeriensis, Pycnodonte percrassa, Pycnodonte squarrosa, Pycnodonte trigonalis, Pycnodonte vesicularis
Subtaxa: none
Ecology: stationary epifaunal suspension feeder
Distribution: there are no occurrences of Pycnodonte (Costeina) in the database