• Thumbnail for Ursus maritimus tyrannus
    Ursus maritimus tyrannus (lit. 'tyrant maritime bear') is a controversial extinct subspecies of polar bear. The subspecies of polar bear was named by the...
    4 KB (382 words) - 18:30, 23 September 2024
  • Thumbnail for Polar bear
    The polar bear (Ursus maritimus) is a large bear native to the Arctic and nearby areas. It is closely related to the brown bear, and the two species can...
    95 KB (12,405 words) - 19:03, 28 September 2024
  • Thumbnail for Late Pleistocene extinctions
    Pleistocene small cave bear (Ursus rossicus) Cave bear (Ursus spelaeus) Giant polar bear (Ursus maritimus tyrannus) Musteloidea Mustelidae Several otter (Lutrinae)...
    202 KB (19,735 words) - 00:29, 29 September 2024
  • Thumbnail for Agriotherium
    Arctotherium, and an extinct subspecies of the modern polar bear Ursus maritimus tyrannus, Agriotherium was among the largest known terrestrial members of...
    11 KB (1,066 words) - 01:37, 22 September 2024
  • Thumbnail for Ursus (mammal)
    geographical location. American black bears (Ursus amercanus), brown bears (Ursus arctos) and polar bears (Ursus maritimus) all have mating seasons occurring within...
    17 KB (1,272 words) - 14:32, 25 July 2024
  • Thumbnail for List of ursids
    inopinatus U. jenaensis U. labradorensis U. malayanus (0.13–0.012 Mya) U. maritimus tyrannus (tyrant polar bear) U. minimus (Auvergne bear) (4.2–2.5 Mya) U. optimus...
    34 KB (2,220 words) - 20:57, 16 April 2024
  • Thumbnail for Raccoon
    Raccoon (redirect from Ursus lotor)
    in the genus Ursus, first as Ursus cauda elongata ('long-tailed bear') in the second edition of his Systema Naturae (1740), then as Ursus Lotor ('washer...
    123 KB (13,448 words) - 19:52, 30 September 2024
  • cupido Typhina Typhinellus Typhis Typhlops – tentative report TyrannusTyrannus tyrannus Tyronia Tyto †Tyto alba Ulmus †Urocoptis Urocyon †Urocyon cinereoargenteus...
    98 KB (3,360 words) - 10:00, 12 June 2024
  • keenae – type locality for species Typhlops – tentative report TyrannusTyrannus tyrannus Tyronia †Tyronia aequiscostata †Tyrpostega †Tyrpostega inornata...
    337 KB (15,729 words) - 10:01, 12 June 2024