Marcia (Hemitapes) Römer 1864 (venus clam)
Bivalvia - Cardiida - Veneridae
Alternative spelling: Katelysia (Hemitapes)
Parent taxon: Marcia according to K. Lamprell and T. Whitehead 1992
See also Oostingh 1935
Sister taxa: Marcia (Gomphomarcia), Marcia (Similivenus)
Subtaxa: Katelysia (Hemitapes) oppenoorthi
Ecology: facultatively mobile infaunal suspension feeder
Distribution: