Allodesmus is an extinct genus of pinniped from the Miocene and related to the genus Desmatophoca. It measured about 8 feet (2.4 m) long and weighed 800 pounds (360 kg). Allodesmus had the specific anatomical features found in modern polygynous pinnipeds: sexual dimorphism, strong canines for fights between bulls and teeth with well-defined growth zones, a result from periodic fasting (in order to defend their harem, males would not take to the sea to feed during the breeding season).
- After the Dinosaurs: The Age of Mammals (Life of the Past) by Donald R. Prothero
- Vertebrate Palaeontology by Michael J. Benton
- Functional Morphology in Vertebrate Paleontology by Jeffrey J. Thomason
- Encyclopedia of Marine Mammals, ed. William F. Perrin, Bernd Würsig, J.G.M. Thewissen
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