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Eopachyrucos ✝

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Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	4830015	https://www.gbif.org/species/4830015
PaleoBioDB ID (PBDB)	57217	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=57217

Rank

genus

Taxonomy (GBIF)

Life : Animalia : Chordata : Mammalia : Hegetotheriidae : Eopachyrucos

Taxonomy (PBDB)

Life : Animalia : Chordata : Mammalia : Notoungulata : Interatheriidae : Eopachyrucos

Taxonomic Status (GBIF)

accepted

Classification
(PBDB,GBIF)

Rank	Name	Author
-	Eukaryota
-	Opisthokonta	Cavalier-Smith 1987
kingdom	Animalia
-	Triploblastica	Lankester 1877
-	Nephrozoa	Jondelius et al. 2002
-	Deuterostomia	Grobben 1908
phylum	Chordata	Haeckel 1847
subphylum	Vertebrata	Lamarck 1801
superclass	Gnathostomata	Gegenbauer 1874
-	Osteichthyes
-	Sarcopterygii	Romer 1955
subclass	Dipnotetrapodomorpha
subclass	Tetrapodomorpha
-	Tetrapoda
-	Reptiliomorpha	Säve-Söderbergh 1934
-	Anthracosauria	Säve-Söderbergh 1934
-	Batrachosauria
-	Cotylosauria
-	Amniota	Haeckel 1866
-	Synapsida	Osborn 1903
-	Therapsida
infraorder	Cynodontia
-	Epicynodontia	Hopson and Kitching 2001
infraorder	Eucynodontia	Kemp 1982
-	Probainognathia	Hopson 1990
-	Mammaliamorpha	Rowe 1988
-	Mammaliaformes	Rowe 1988
class	Mammalia	Linnaeus 1758
subclass	Tribosphenida
infraclass	Eutheria
order	Notoungulata	Roth 1903
suborder	Typotheria	Zittel 1892
family	Interatheriidae	(Ameghino 1887)
subfamily	Interatheriinae	Simpson 1945
genus	Eopachyrucos	Ameghino 1901

Scientific Name

Eopachyrucos Ameghino, 1901

Name Published In

Bol. Acad. Córdoba, 16

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Eopachyrucos	genus	belongs to Hegetotheridae	stated with evidence	Ameghino, 1901
Eopachyrucos	genus	belongs to Hegetotheria	stated with evidence	Simpson, 1967
Eopachyrucos	genus	belongs to Interatheriinae	stated with evidence	Hitz et al., 2000
Eopachyrucos	genus	belongs to Interatheriinae	stated without evidence	Reguero et al., 2003

Status (PBDB)

extinct

Taxon Size (PBDB)

First Recorded Appearance

38.0 - 33.9 Ma
Paleogene

Last Recorded Appearance

29.0 - 21.0 Ma
Cenozoic

Environment

terrestrial (based on Eutheria)

Motility

actively mobile (based on Osteichthyes)

Diet

herbivore (based on Notoungulata)

Taphonomy

phosphatic (based on Vertebrata)

Primary Reference (PBDB)

F. Ameghino. 1901. Notices préliminaires sur des ongulés nouveaux des terrains crétacés de Patagonie [Preliminary notes on new ungulates from the Cretaceous terrains of Patagonia]. Boletin de la Academia Nacional de Ciencias de Córdoba 16:349-429

Fossil Distribution

Subtaxa

Name	Status	Fossil Occurrences	Oldest	Youngest
Eopachyrucos pliciferus ✝ species	accepted (GBIF) listed (PBDB)	4	33.9 Ma Oligocene	33.9 Ma Oligocene
Eopachyrucos pliciformis ✝ species	accepted (GBIF) listed (PBDB)	3	37.2 Ma Eocene	33.9 Ma Oligocene
Eopachyrucos ranchoverdensis ✝ species	accepted (GBIF) listed (PBDB)	2	29.0 Ma Oligocene	29.0 Ma Oligocene

Obsolete Names

Name	Source	Taxon Rank	Taxonomy
Eupachyrucos Ameghino, 1906	GBIF	genus	Animalia : Chordata : Mammalia : Hegetotheriidae : *Eupachyrucos*

Synonymy List

Year	Name and Author
1901	Eopachyrucos Ameghino p. 374
1906	Eupachyrucos Ameghino p. 469
1967	Eopachyrucos Simpson
2000	Eopachyrucos Hitz et al. pp. 21-22 fig. 13
2003	Eopachyrucos Reguero et al.
2010	Eopachyrucos Reguero and Prevosti

References

Ameghino F. (1901) Notices préliminaires sur des ongulés nouveaux des terrains crétacés de Patagonie [Preliminary notes on new ungulates from the Cretaceous terrains of Patagonia], Boletin de la Academia Nacional de Ciencias de Córdoba 16, 349-429

Simpson G. G. (1967) The beginning of the age of mammals in South America. Part II., Bulletin of the American Museum of Natural History 137, 1-260

Hitz R., Reguero M., et al (2000) New interatheriines (Interatheriidae, Notoungulata) from the Paleogene of Central Chile and Southern Argentina, Fieldiana: Geology (New Series) 42, 1-26

Reguero M. A., Ubilla M., et al (2003) A new species of Eopachyrucos (Mammalia, Notoungulata, Interatheriidae) from the Late Oligocene of Uruguay, Journal of Vertebrate Paleontology 23 2, 445-457 doi:10.1671/0272-4634(2003)023[0445:ANSOEM]2.0.CO;2

Reguero M. A., Prevosti F. J. (2010) Rodent-like notoungulates (Typotheria) from Gran Barranca, Chubut Province, Argentina: phylogeny and systematics, The Paleontology of Gran Barranca: Evolution and Environmental Change through the Middle Cenozoic of Patagonia, 148-165

Nomenclator Zoologicus. A list of the names of genera and subgenera in zoology from the tenth edition of Linnaeus, 1758 to the end of 2004. Digitised by uBio from vols. 1-9 of Neave (ed.), 1939-1996 plus supplementary digital-only volume. http://ubio.org/NomenclatorZoologicus (as at 2006). - via The Interim Register of Marine and Nonmarine Genera

SN2000/McKenna & Bell, 1997 - via The Interim Register of Marine and Nonmarine Genera

SN2000: Brands, S. J. (compiler) 1989-2005. Systema Naturae 2000. Amsterdam, The Netherlands (2006 version). Available online at http://sn2000.taxonomy.nl/. - via The Interim Register of Marine and Nonmarine Genera

as per family - via The Interim Register of Marine and Nonmarine Genera

Bol. Acad. Córdoba, 16 - via The Interim Register of Marine and Nonmarine Genera

Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!

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