Bivalvia - Ostreida - Gryphaeidae

Belongs to Pycnodonte according to M. A. Kosnik 2002

Sister taxa: Gryphaea belli, Pycnodonte (Crenostrea), Pycnodonte (Gigantostrea), Pycnodonte (Pegma), Pycnodonte (Phygraea), Pycnodonte (Pycnodonte), Pycnodonte amakusensis, Pycnodonte costei, Pycnodonte heermanni, Pycnodonte percrassa, Pycnodonte squarrosa, Pycnodonte vesicularis

Ecology: stationary epifaunal suspension feeder