Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Ventral views of the skull of: (A) Mirounga angustirostris, (B) Ommatophoca rossii, (C) Hydrurga leptonyx, (D) Lobodon carcinophagus, (E) Leptonychotes weddellii, and (F) Phoca vitulina. CCPF, posterior foramen of canalis caroticus; FHp, foramen hypoglossis; FJ, foramen jugulare; FPG, foramen postglenoideum; PGA, postglenoid apophysis.
