7. The same. Right tooth. Inner surface.

8. Type of _Z. grebnitzkii_ Stejneger. Cat. No. 20993, U.S.N.M. Bering

Island. Left tooth. Inner 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 129 / 141 题