Bivalvia - Cardiida - Cardiidae

Alternative combinations: Cardium ainuanum, Clinocardium ainuanum

Belongs to Ciliatocardium according to A. I. Kafanov 2002

Sister taxa: Ciliatocardium asagaiense, Ciliatocardium brooksi, Ciliatocardium carlsbergianum, Ciliatocardium coosense, Ciliatocardium ermanensis, Ciliatocardium evsseevi, Ciliatocardium hataii, Ciliatocardium iwatense, Ciliatocardium kirkerensis, Ciliatocardium makiyamae, Ciliatocardium matchgarense, Ciliatocardium moorae, Ciliatocardium mutuense, Ciliatocardium obstinatus, Ciliatocardium reedi, Ciliatocardium sachalinense, Ciliatocardium schmidti, Ciliatocardium shinjiense, Ciliatocardium smekhovi, Clinocardium (Ciliatocardium) ciliatum

Ecology: facultatively mobile infaunal suspension feeder