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Miniochoerus

Extinct genus of mammals

Miniochoerus

Extinct genus of mammals

  • Parastenopsochoerus Schultz and Falkenbach, 1956
  • Platyochoerus Schultz and Falkenbach, 1956
  • Pseudostenopsochoerus Schultz and Falkenbach, 1956
  • Stenopsochoerus Schultz and Falkenbach, 1956

Miniochoerus is an extinct genus of small oreodont endemic to North America. They lived during the Late Eocene to Early Oligocene 38–30.8 mya, existing for approximately . Fossils have been found only in North Dakota, South Dakota, Nebraska, Montana, and Wyoming.

Species

  • M. affinis (syn. Merycoidodon platycephalus, M. battlecreekensis, Oreodon coloradoensis, Stenopsochoerus sternbergi)
  • M. chadronensis (syn. Parastenopsochoerus conversensis, Stenopsochoerus douglasensis, S. reideri)
  • M. forsythae
  • M. gracilis
  • M. starkensis (syn. M. cheyennensis, M. helprini, M. nicholsae, M. ottensi, Platyochoerus hatcreekensis, P. heartensis, Stenopsochoerus berardae, S. joderensis)

Description

Restoration

Typically, there were about the size of a small dog. Their skulls were small and short, compared to other oreodont species, many of which had proportionately large heads. Unlike other oreodont species, they had small canines which would have done little good against foes. The genus arose during the late Eocene, and survived the Late Eocene extinction event, giving rise to a dwarfed lineage during the early Oligocene.

References

References

  1. Subgenus not recognized by Stevens and Stevens.
  2. Stevens, M.S.. (1996). "The terrestrial Eocene-Oligocene transition in North America". Cambridge University Press.
  3. Prothero, D.R.. "After the Dinosaurs: The Age of Mammals".
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oreodonts oligocene-artiodactyla eocene-artiodactyla paleogene-mammals-of-north-america fossil-taxa-described-in-1956 prehistoric-artiodactyla-genera oligocene-mammals-of-north-america
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