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Metatomarctus canavus Simpson 1932 (bone-crushing dog)

Mammalia - Carnivora - Canidae

PaleoDB taxon number: 48462

Alternative combinations: Cynodesmus canavus, Tomarctus canavus

Synonyms: Nothocyon insularis White 1942 (no. 49209), Tomarctus thomasi White 1941 (no. 52392)

Full reference: G. G. Simpson. 1932. Miocene land mammals from Florida. Bulletin of the Florida State Geological Survey 10:7-41

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

Sister taxa: none

Type specimens:

  • Metatomarctus canavus: FSGS V5260, a mandible (right lower jaw with p2 and p4-m2). Its type locality is Thomas Farm, which is in a Hemingfordian terrestrial sandstone/claystone in the Alachua Formation of Florida.
  • Nothocyon insularis:
  • Tomarctus thomasi: MCZ 3682, a maxilla (portion of left maxilla with P4-M2.).

Ecology: scansorial insectivore

Average measurements (in mm): P4 15.5 x 7.7, M1 11.8 x 14.5, M2 7.00 x 11.23, p4 10.3 x 5.5, m1 17.4 x 7.1, m2 9.23 x 6.00