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Hydrurga leptonyx Blainville 1820 (seal)

Amniota - Therapsida - Phocidae

Alternative combinations: Ogmorhinus (Ogmorhinus) leptonyx, Ogmorhinus leptonyx, Phoca leptonyx, Stenorhynchus leptonyx

Belongs to Hydrurga according to T. A. Demere et al. 2003

Sister taxa: none

Ecology: ground dwelling piscivore-carnivore

Average measurements (in mm): femur length 152.5, humerus length 178.9, radius length 185.5, scapula length 207.1, tibia length 282.0

Estimated body mass: 28.7 kg based on femur length, humerus length, and tibia length