Bivalvia - Cardiida - Cardiidae

Alternative combinations: Cardium puelchum, Loxocardium puelchum

Belongs to Trachycardium according to D. Frassinetti 2001

Sister taxa: Cardium (Trachycardium) greenhoughi, Cardium (Trachycardium) minbuense, Cardium (Trachycardium) protosubrugosum, Cardium (Trachycardium) riachuelense, Cardium (Trachycardium) sindiense, Trachycardium (Dallocardia), Trachycardium (Mexicardia), Trachycardium (Phlogocardia), Trachycardium (Trachycardium), Trachycardium cotteri, Trachycardium enode, Trachycardium eufaulensis, Trachycardium eversum, Trachycardium halaense, Trachycardium kinsmarae, Trachycardium lacunosum, Trachycardium mollyni, Trachycardium multiradiatum, Trachycardium muricatum, Trachycardium planicostata, Trachycardium thalassium

Ecology: facultatively mobile infaunal suspension feeder