Purpurocardia Maxwell 1969 (clam)
Bivalvia - Carditida - Carditidae
Parent taxon: Venericardiinae according to A. G. Beu et al. 1990
Sister taxa: Glyptoactis, Megacardita, Pteromeris, Trapezicardita, Venericardia, Verticipronus
Subtaxa: Purpurocardia beata, Purpurocardia fyfei, Purpurocardia haskelli, Purpurocardia lillei, Purpurocardia penerectangularis, Purpurocardia perscrupulosa, Purpurocardia purpurata, Purpurocardia southlandica, Purpurocardia titirangiensis, Purpurocardia urutiensis, Purpurocardia waikohuensis
Type: Cardita purpurata
Ecology: facultatively mobile shallow infaunal suspension feeder