Oligobiotherium divisum Ameghino 1902 (marsupial)

Mammalia - Microbiotheria - Microbiotheriidae

Alternative combinations: Microbiotherium divisum, Oligobiotherium divisus

Synonyms: Microbiotheridion hernandezi Simpson 1932, Microbiotherium hernandezi Simpson 1932

Full reference: F. Ameghino. 1902. Première contribution à la connaissance de la fauna mammalogique des couches à Colpodon [First contribution to the knowledge of the mammalian fauna of the Colopdon Beds]. Boletin de la Academia Nacional de Ciencias de Córdoba 17:71-141

Belongs to Oligobiotherium according to F. J. Goin and M. A. Abello 2013

See also Ameghino 1902 and Marshall 1982

Sister taxa: none

Type specimens:

  • Oligobiotherium divisum: MACN 52-374, a mandible (a fragment of a right mandibular ramus with posterior root of m2, m3 missing metaconid, and roots of m4). Its type locality is Gran Barranca - southern cliff of lake Colhué Huapí, which is in a Colhuehuapian terrestrial horizon in the Sarmiento Formation of Argentina.
  • Microbiotherium hernandezi: AMNH 29664, a mandible (right mandibular ramus with crowns of p2-m4 (protoconid, paraconid, and hypoconid of m1 partially broken), and alveoli of other teeth). Its type locality is Gran Barranca - southern cliff of lake Colhué Huapí, which is in a Colhuehuapian terrestrial horizon in the Sarmiento Formation of Argentina.

Ecology: scansorial insectivore

Distribution:

• Miocene of Argentina (4 collections)

Total: 4 collections including 5 occurrences

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Specimen images are retrieved through the ePANDDA API.


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