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]
| Paranauchenia | |
|---|---|
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | †Litopterna |
| Family: | †Macraucheniidae |
| Subfamily: | †Macraucheniinae |
| Genus: | †Paranauchenia Ameghino, 1904 |
| Type species | |
| †Paranauchenia denticulata Ameghino, 1904
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Classification
editCladogram based in the phylogenetic analysis published by Schmidt et al., 2014, showing the position of Paranauchenia:[3]
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References
edit- ^ 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.
- ^ Paranauchenia at Fossilworks.org
- ^ 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. Bibcode:2014JVPal..34.1231S. doi:10.1080/02724634.2014.837393. hdl:11336/18953.
