Bivalvia - Cardiidia - Grammysiidae

Full reference: W. Waagen. 1881. Productus Limestone Fossils, Part III. Salt Range Fossils, Palaeontologia Indica, Series 13 1(3):185-328

Belongs to Cardiomorpha according to W. Waagen 1881

Sister taxa: Cardiomorpha digglesi, Cardiomorpha doulingensis, Cardiomorpha inflata, Cardiomorpha minuta, Cardiomorpha missouriensis, Cardiomorpha obovata, Cardiomorpha pinguis, Cardiomorpha sublimosa

Ecology: facultatively mobile infaunal suspension feeder