Orycterocetus
Orycteocetus is an extinct genus of sperm whale from the Miocene of the northern Atlantic Ocean. Classification. "Orycterocetus" is a member of Physeteroidea closely related to crown-group sperm whales. The type species, "O. quadratidens", was first named by Joseph Leidy on the basis of two teeth, two partial mandibular rami, and a rib from Neogene deposits of Virginia. Two more species were subsequently described, "O. cornutidens" Leidy 1856 and "O. crocodilinus" Cope, 1868, the latter from the middle Miocene Calvert Formation.