''Chubutherium'' is an extinct
genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...
of
ground sloth
Ground sloths are a diverse group of extinct sloths in the mammalian superorder Xenarthra. The term is used to refer to all extinct sloths because of the large size of the earliest forms discovered, compared to existing tree sloths. The Cari ...
from the Late Oligocene and Early Miocene of
Chubut Province
Chubut ( es, Provincia del Chubut, ; cy, Talaith Chubut) is a province in southern Argentina, situated between the 42nd parallel south (the border with Río Negro Province), the 46th parallel south (bordering Santa Cruz Province), the Andes ran ...
,
Argentina
Argentina (), officially the Argentine Republic ( es, link=no, República Argentina), is a country in the southern half of South America. Argentina covers an area of , making it the second-largest country in South America after Brazil, t ...
.
Description
This species of
ground sloth
Ground sloths are a diverse group of extinct sloths in the mammalian superorder Xenarthra. The term is used to refer to all extinct sloths because of the large size of the earliest forms discovered, compared to existing tree sloths. The Cari ...
was assigned to the family
Scelidotheriidae
Scelidotheriidae is a family of extinct ground sloths within the order Pilosa, suborder Folivora and superfamily Mylodontoidea, related to the other extinct mylodontoid family, Mylodontidae, as well as to the living two-toed sloth family Ch ...
, which was subsequently demoted to subfamily
Scelidotheriinae within
Mylodontidae
Mylodontidae is a family of extinct South American and North American ground sloths within the suborder Folivora of order Pilosa, living from around 23 million years ago (Mya) to 11,000 years ago. This family is most closely related to another fa ...
, then elevated back to full family status.
It is related to the
Pleistocene
The Pleistocene ( , often referred to as the '' Ice age'') is the geological epoch that lasted from about 2,580,000 to 11,700 years ago, spanning the Earth's most recent period of repeated glaciations. Before a change was finally confirmed ...
genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...
, ''
Scelidotherium''. It possessed but a few molars, like many other sloths. Only a few specimens have been found in
Patagonia
Patagonia () refers to a geographical region that encompasses the southern end of South America, governed by Argentina and Chile. The region comprises the southern section of the Andes Mountains with lakes, fjords, temperate rainforests, and ...
. Little material is found of the genus and the taxonomic position is still debated.
[Boilini, 2012, p.162]
References
Bibliography
*
Further reading
* (1962) Un nuevo (Xenarthra) del Terciario de Patagonia, ''Chubutherium ferelloii'' gen. et sp. nov. (Megalonychoidea, Mylodontidae). Revista del Museum Argentinoa Ciencias Nacional "Bernardino Rivadavia" Zoologia, 8(11): 123–133.
Prehistoric sloths
Prehistoric placental genera
Oligocene xenarthrans
Miocene xenarthrans
Oligocene genus first appearances
Miocene genus extinctions
Oligocene mammals of South America
Miocene mammals of South America
Colhuehuapian
Deseadan
Paleogene Argentina
Neogene Argentina
Fossils of Argentina
Fossil taxa described in 1962
{{paleo-mammal-stub