Bivalvia - Ostreida - Gryphaeidae

Parent taxon: Pycnodonte according to E. J. Moore 1987

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

Subtaxa: Pycnodonte (Pycnodonte) callifera, Pycnodonte (Pycnodonte) gryphina, Pycnodonte (Pycnodonte) loeli, Pycnodonte (Pycnodonte) radiata

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Type: Pycnodonte radiata

Ecology: stationary epifaunal suspension feeder