Synonyms: Cardium adonisi; Cardium anapi; Cardium angulatum (heterotypic); Cardium apporectum; Cardium aventini; Cardium belusi; Cardium caracutum; Cardium ingustatum; Cardium jekechanensis; Cardium lengebisicum; Cardium modicum; Cardium probum; Cardium sumbaricum; Cardium vagum