Biology:Paranauchenia

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Short description: Extinct genus of litopterns

Paranauchenia
Temporal range: Late Miocene (Huayquerian)
~9.0–6.8 Ma
Scientific classification e
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Litopterna
Family: Macraucheniidae
Subfamily: Macraucheniinae
Genus: Paranauchenia
Ameghino, 1904
Type species
Paranauchenia denticulata
Ameghino, 1904

Paranauchenia is an extinct genus of South American litopterns belonging to the family Macraucheniidae. It is known only from fossil finds in Argentina . It possessed three toes and long limbs. The species Paranauchenia denticulata lived in the Miocene epoch in Argentina .[1] Fossils have been found in the Arroyo Chasicó and Ituzaingó Formations of Argentina.[2]

Classification

Cladogram based in the phylogenetic analysis published by Schmidt et al., 2014, showing the position of Paranauchenia:[3]

Proadiantus

Tricoelodus

Polymorphis

Pternoconius

Coniopternium

Cramauchenia

Theosodon

Macraucheniinae

Scalabrinitherium

Oxyodontherium

Huayqueriana

Paranauchenia denticulata

Paranauchenia hystatus

Cullinia

Promacrauchenia

Windhausenia

Xenorhinotherium

Macraucheniopsis

Macrauchenia

References

  1. Ameghino, F. 1904a. Nuevas especies de mamíferos Cretáceos y Terciarios de la República Argentina. Anales de la Sociedad Científica Argentina 16: 193-208; 17: 162-175, 182-192, 225-240, 241-291.
  2. Paranauchenia at Fossilworks.org
  3. Schmidt, Gabriela I.; Ferrero, Brenda S. (September 2014). "Taxonomic Reinterpretation of Theosodon hystatus Cabrera and Kraglievich, 1931 (Litopterna, Macraucheniidae) and Phylogenetic Relationships of the Family". Journal of Vertebrate Paleontology 34 (5): 1231–1238. doi:10.1080/02724634.2014.837393. Bibcode2014JVPal..34.1231S. 

Wikidata ☰ Q3306852 entry