Polydolops thomasi Ameghino 1897 (metatherian)

Mammalia - Polydolopimorphia - Polydolopidae

Synonyms: Orthodolops sciurinus Ameghino 1904, Polydolops fur Ameghino 1902, Polydolops simplex Ameghino 1904, Polydolops thomasi crassus Ameghino 1902, Polydolops thomasi mara Simpson 1948, Polydolops thomasi paahi Simpson 1948, Polydolops thomasi thomasi Simpson 1948

Full reference: F. Ameghino. 1897. Mammiféres crétacés de l’Argentine (Deuxième contribution à la connaissance de la fauna mammalogique de couches à Pyrotherium) [Cretaceous mammals of Argentina (second contribution to the knowledge of the mammalian fauna of the Pyrotherium Beds)]. Boletin Instituto Geografico Argentino 18(4–9):406-521

Belongs to Polydolops according to L. G. Marshall 1982

See also Ameghino 1897, Ameghino 1902, Ameghino 1904 and Simpson 1948

Sister taxa: Polydolops clavulus, Polydolops crassus, Polydolops kamektsen, Polydolops rothi, Polydolops serra, Polydolops tetragonus, Polydolops unicus, Polydolops winecage

Type specimens:

  • Polydolops thomasi: MACN 10338, a maxilla. Its type locality is Barranca south of Lago Colhue-Huapi, Gran Barranca, which is in an Eocene terrestrial claystone in the Sarmiento Formation of Argentina.
  • Orthodolops sciurinus: MACN 10336, a mandible (right mandibular ramus with P2-M1 broken, M2-3 complete). Its type locality is Casamayoran of Patagonia, which is in an Eocene/Eocene terrestrial horizon in Argentina.
  • Polydolops fur: MACN 10342, a mandible. Its type locality is Barranca south of Lago Colhue-Huapi, Gran Barranca, which is in an Eocene terrestrial claystone in the Sarmiento Formation of Argentina.
  • Polydolops simplex: MACN 10335, a mandible (relatively complete left mandibular ramus with roots of P2, crowns of P3 and M2). Its type locality is Barranca south of Lago Colhue-Huapi, Gran Barranca, which is in an Eocene terrestrial claystone in the Sarmiento Formation of Argentina.
  • Polydolops thomasi crassus: MACN 10349, a mandible (fragment of a left mandibular ramus with P3-M3). Its type locality is Barranca south of Lago Colhue-Huapi, Gran Barranca, which is in an Eocene terrestrial claystone in the Sarmiento Formation of Argentina.
  • Polydolops thomasi mara: AMNH 28921, a mandible (left mandibular ramus with P3-M2).
  • Polydolops thomasi paahi: AMNH 28434, a mandible (right mandibular ramus with P3-M2).
  • Polydolops thomasi thomasi: MACN 10338, a maxilla (right maxilla with P2-M2).

Ecology: scansorial omnivore

Distribution:

• Eocene of Argentina (14 collections)

Total: 14 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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