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Cynarctoides acridens Barbour and Cook 1914 (bone-crushing dog)

Mammalia - Carnivora - Canidae

Alternative combinations: Cynarctus acridens, Notharctus acridens

Synonyms: Cynarctoides mustelinus Matthew 1932, Cynarctus mustelinus Matthew 1932

Full reference: E. H. Barbour and H. J. Cook. 1914. Nebraska Geological Survey 4(15)

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

Sister taxa: Cynarctoides emryi, Cynarctoides gawnae, Cynarctoides harlowi, Cynarctoides lemur, Cynarctoides luskensis, Cynarctoides roii

Type specimens:

  • Cynarctoides acridens: Its type locality is American Museum-Cook Quarry, which is in a Harrisonian terrestrial horizon in the Upper Harrison Beds Formation of Nebraska
  • Cynarctus mustelinus: Its type locality is Thomson Quarry, which is in a Hemingfordian terrestrial horizon in the Sheep Creek Formation of Nebraska.

Ecology: ground dwelling carnivore-omnivore

Average measurements (in mm): P4 7.55 x 3.74, M1 5.97 x 7.76, M2 4.88 x 7.03, p4 5.62 x 2.47, m1 8.44 x 3.83, m2 5.69 x 3.59