Bivalvia - Cardiida - Cardiidae

Alternative spelling: Regozara

Parent taxon: Trachycardium according to P. A. Maxwell 1978

See also Sepkoski 2002

Sister taxa: Cardium (Trachycardium) greenhoughi, Cardium (Trachycardium) minbuense, Cardium (Trachycardium) ochilleanum, Cardium (Trachycardium) polycolpatum, Cardium (Trachycardium) protosubrugosum, Cardium (Trachycardium) riachuelense, Cardium (Trachycardium) sindiense, Trachycardium (Mexicardia), Trachycardium (Phlogocardia), Trachycardium (Trachycardium), Trachycardium cotteri, Trachycardium egmontianum, Trachycardium enode, Trachycardium eufaulensis, Trachycardium eversum, Trachycardium halaense, Trachycardium isocardia, Trachycardium kinsmarae, Trachycardium lacunosum, Trachycardium mollyni, Trachycardium multiradiatum, Trachycardium planicostata, Trachycardium puelchum, Trachycardium reynoldsi, Trachycardium rugosum, Trachycardium syriacum, Trachycardium thalassium, Cardium (Granocardium) sabulosum

Subtaxa: Trachycardium (Regozara) delectabile

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Ecology: facultatively mobile infaunal suspension feeder

Distribution: found only at Peppermint Grove Limestone Mbr, Tamala Limestone - East Freemantle (Quaternary of Australia)

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