†Amphicoelia costata Hall and Whitfield 1875 (clam)
Bivalvia - Myalinida - Ambonychiidae
Belongs to Amphicoelia according to J. Pojeta 1966
Sister taxa: Amphicoelia leidyi, Amphicoelia pojetana, Amphicoelia transplicata, Amphicoelia ulrichi
Ecology: stationary epifaunal suspension feeder