†Cornucardia Koken 1913 (clam)
Bivalvia - Megalodontida - Dicerocardiidae
Synonym: Craspedodon Bittner 1901 [replaced name]
Parent taxon: Dicerocardiidae according to H. E. Vokes 1980
Sister taxa: Dicerocardium, Physocardia, Platycardia, Pseudisocardia, Rostrocardia
Subtaxa: Cornucardia hornigii
Type: Craspedodon hornigii
Ecology: stationary semi-infaunal suspension feeder