Periptychus coarctatus Cope 1883 (condylarth)

Mammalia - Ungulata - Periptychidae

Alternative combinations: Carsioptychus coarctatus, Plagioptychus coarctatus

Synonyms: Carsioptychus matthewi Simpson 1936, Periptychus brabensis Cope 1888, Periptychus hamaxitus Gazin 1941, Periptychus matthewi Simpson 1936, Plagioptychus matthewi Simpson 1936

Belongs to Periptychus according to J. J. Eberle and J. A. Lillegraven 1998

See also Archibald et al. 1987, Cifelli et al. 1999, Eberle 2003, Hay 1902, Matthew 1937, Middleton 1983, Simpson 1936, Simpson 1936, Van Valen 1978, Williamson 1996 and Williamson and Lucas 1993

Sister taxon: Periptychus carinidens

Type specimens:

  • Periptychus coarctatus: AMNH 3775, a mandible (lower dentition)
  • Periptychus brabensis:
  • Periptychus hamaxitus:
  • Periptychus matthewi:
  • Plagioptychus matthewi: Its type locality is Barrel Spring Arroyo (Taeniolabis Zone), which is in a Puercan terrestrial horizon in the Nacimiento Formation of New Mexico.

Ecology: ground dwelling herbivore


• Paleocene of United States (31: Colorado, New Mexico, Utah, Wyoming collections)

Total: 31 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.

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