Synonyms: Cardium dulcinea; Cardium ferruginosum; Cardium laticostatum (heterotypic); Cardium panamense; Cardium parvulum (heterotypic); Cardium procerum; Cardium rotundatum; Laevicardium procerum; Mexicardia procera; Ringicardium procerum; Trachycardium panamense; Trigoniocardia eudoxia