Bivalvia - Cardiida - Cardiidae

Full reference: H. E. Vokes. 1982. Notes on the fauna of the Chipola Formation - XXVI: A new species of Trachycardium from Tenmile Creek. Tulane Studies in Geology and Paleontology 17(2):55-56

Belongs to Trachycardium according to H. E. Vokes 1982

Sister taxa: Cardium (Trachycardium) greenhoughi, Cardium (Trachycardium) minbuense, Cardium (Trachycardium) protosubrugosum, Cardium (Trachycardium) riachuelense, Cardium (Trachycardium) sindiense, Trachycardium (Dallocardia), Trachycardium (Mexicardia), Trachycardium (Phlogocardia), Trachycardium (Trachycardium), Trachycardium cotteri, Trachycardium enode, Trachycardium eufaulensis, Trachycardium eversum, Trachycardium halaense, Trachycardium kinsmarae, Trachycardium lacunosum, Trachycardium multiradiatum, Trachycardium muricatum, Trachycardium planicostata, Trachycardium puelchum, Trachycardium thalassium

Type specimen: USNM 340287, a shell. Its type locality is TU 951 - Tenmile Creek [Chipola Fm], which is in a Burdigalian marine marl/sandstone in the Chipola Formation of Florida.

Ecology: facultatively mobile infaunal suspension feeder

Average measurements (in mm): shell 47.0 x 16.7