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Ursus maritimus Phipps 1774 (polar bear)

Osteichthyes - Carnivora - Ursidae

PaleoDB taxon number: 52609

Alternative combination: Thalarctos maritimus

Synonyms: Thalarctos polaris Gray 1825 (no. 105077), Ursus marinus Pallas 1776 (no. 183192), Ursus polaris Shaw 1792 (no. 183193)

Belongs to Ursus according to S. Larivière 2001

Sister taxa: Ursus abstrusus, Ursus americanus, Ursus arctos, Ursus arvernensis, Ursus deningeri, Ursus dentrificius, Ursus etruscus, Ursus inopinatus, Ursus malayanus, Ursus minimus, Ursus praemalayanus, Ursus priscus, Ursus spelaeus, Ursus thibetanus, Thalassarctos spitzbergensis, Thalassarctos eogroenlandicus, Thalassarctos labradorensis, Thalassarctos jenaensis, Euarctos optimus, Ursus (Euarctos) vitabilis

Subtaxa: Ursus maritimus maritimus, Ursus maritimus tyrannus

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Ecology: amphibious carnivore-omnivore

Average measurements (in mm): femur length 423.1, femur diameter 27.3, humerus length 349.9, humerus diameter 34.4, radius length 283.5, radius diameter 18.6, scapula length 215.0, tibia length 306.2, tibia diameter 26.0, ulna length 325.0

Estimated body mass: 125.6 kg based on femur diameter, femur length, humerus diameter, humerus length, tibia diameter, tibia length, and ulna length