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Borophagus diversidens Cope 1892 (bone-crushing dog)

Osteichthyes - Carnivora - Canidae

PaleoDB taxon number: 44593

Alternative combinations: Dinocyon (Borophagus) diversidens, Dinocyon diversidens, Hyaenarctos diversidens

Synonyms: Borophagus dubius Merriam 1903 (no. 44594), Borophagus matthewi Freudenberg 1910 (no. 44598), Borophagus pachyodon Merriam 1903 (no. 44600), Borophagus solus Stock 1932 (no. 44604), Felis hillanus Cope 1893 (no. 46517), Felis hillianus Cope 1893 (no. 310635), Hyaenognathus dubius Merriam 1903 (no. 47141), Hyaenognathus matthewi Freudenberg 1910 (no. 47142), Hyaenognathus pachyodon Merriam 1903 (no. 47143), Hyaenognathus solus Stock 1932 (no. 47144), Osteoborus hillianus Cope 1893 (no. 49476), Porthocyon dubius Merriam 1903 (no. 50647)

Belongs to Borophagus according to X. Wang et al. 1999

Sister taxa: Borophagus dudleyi, Borophagus hilli, Borophagus littoralis, Borophagus orc, Borophagus parvus, Borophagus pugnator, Borophagus secundus, Dinocyon (Borophagus) meandrinus, Osteoborus crassipinaetus, Porthocyon matthewi

Type specimens:

  • Borophagus diversidens: UCMP V-8139, a mandible (fragment of a lower jaw, with two premolars preserved and the root of a third)
  • Felis hillanus:
  • Hyaenognathus matthewi:
  • Hyaenognathus pachyodon: UCMP M8139, a mandible. Its type locality is Asphalto Number 2, which is in a Blancan terrestrial horizon in the ? Tulare Formation of California.
  • Hyaenognathus solus: Its type locality is Coso Mountains (CIT 131), which is in a Blancan terrestrial horizon in California.
  • Porthocyon dubius: UCMP M8138, a partial skull (the greater portion of a cranium with the essential parts of the dentition).

Ecology: scansorial insectivore

Average measurements (in mm): P4 30.5 x 14.3, M1 17.9 x 21.6, M2 9.82 x 11.98, p4 20.7 x 15.3, m1 32.9 x 14.5, m2 12.0 x 8.5