6. Topotype of _Z. grebnitzkii_. Cat. No. 22069, U.S.N.M. Bering Island.
Left tooth. Outer surface.
The Beaked Whales of the Family Ziphiidae An Account of the Beaked Whales of the Family Ziphiidae in the Collection of the United States Museum... · 第 128 / 141 题