from inner shelf
off Peru and Northern Chile Peru
Geological Time: Quaternary Holocene recent
the specimen was picked and photographed by Michael Hesemann
with assistance of Dr. Georg Rosenfeldt, the raw material is provided by
umbilical side
The identification is based upon:
Hayward, B W, Grenfell, H R, Sabaa, A.T, Neil, H.L, Buzas, M.A., 2010: