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Mesoplodon stejnegeri True 1885 (beaked whale)

Osteichthyes - Artiodactyla - Ziphiidae

PaleoDB taxon number: 82033

Belongs to Mesoplodon according to O. Lambert and S. Louwye 2016

Sister taxa: Mesoplodon bidens, Mesoplodon bononiensis, Mesoplodon bowdoini, Mesoplodon carlhubbsi, Mesoplodon danconae, Mesoplodon densirostris, Mesoplodon europaeus, Mesoplodon ginkgodens, Mesoplodon grayi, Mesoplodon hectori, Mesoplodon hotaula, Mesoplodon lawleyi, Mesoplodon layardii, Mesoplodon longirostris, Mesoplodon medilineatus, Mesoplodon meneghinii, Mesoplodon mirus, Mesoplodon perrini, Mesoplodon peruvianus, Mesoplodon posti, Mesoplodon slangkopi, Mesoplodon traversii, Mesoplodon tumidirostris, Ziphius gibbus, Ziphius tenuirostris, Ziphius (Dolichodon) geelongensis

Type specimen: USNM 21112, a skull. Its type locality is Stare Gavan, which is in a Holocene coastal horizon in the Russian Federation.

Ecology: ground dwelling piscivore-carnivore

Average measurements (in mm): humerus length 132.5, scapula length 120.0

Estimated body mass: 801.5 kg based on humerus length