Cyamium Philippi 1845 (clam)
Bivalvia - Cardiida - Cyamiidae
PaleoDB taxon number: 94088
Parent taxon: Cyamiidae according to A. G. Beu et al. 1990
Sister taxa: Cyamiomactra, Kidderia, Legrandina, Perrierina
Subtaxa: Cyamium eximium
Ecology: facultatively mobile infaunal suspension feeder