In the Chondrichthyes, the skull consists of chondrocranium and upper jaw. In the Osteichthyes through mammals, the skull is a fused unit in which the braincase is added to and welded together by a ...

Before attempting to put flesh on the bone ... skull. In 1992, the discovery by anthropologist Yoel Rak of a fairly complete skull at Hadar validated White's work. With a forward-jutting jaw ...