The walrus auditory region and the monophyly of pinnipeds - Wyss, André R. (American Museum of Natural History, 1987)
Literaturverz. S. 27 - 29
Keywords: Ear ossicles; Ear -- Anatomy; Odobenidae -- Classification; Pinnipedia -- Phylogeny; Pinnipedia, Fossil; Walrus -- Classification; Walrus -- Anatomy