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Protoreodon ✝

Photos

Photo Gallery

Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	3240362	https://www.gbif.org/species/3240362
PaleoBioDB ID (PBDB)	42487	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=42487

Rank

genus

Taxonomy (GBIF)

Life : Animalia : Chordata : Mammalia : Artiodactyla : Agriochoeridae : Protoreodon

Taxonomy (PBDB)

Life : Animalia : Chordata : Mammalia : Artiodactyla : Agriochoeridae : Protoreodon

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	Ungulata
order	Artiodactyla	Owen 1848
suborder	Tylopoda
superfamily	Oreodontoidea	Gill 1872
family	Agriochoeridae	Leidy 1869
genus	Protoreodon	Scott & Osborn 1887

Scientific Name

Protoreodon Scott & Osborn, 1887

Name Published In

Proc. Amer. Phil. Soc., 24

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Protoreodon	genus	belongs to Agriochoeridae	stated without evidence	Scott and Osborn, 1887
Protoreodon	genus	belongs to Protoreodontinae	stated without evidence	Hay, 1902
Protoreodon	genus	belongs to Agriochoeridae	stated with evidence	Peterson, 1919
Protoreodon	genus	belongs to Merycoidodontidae	stated with evidence	Thorpe, 1937
Protoreodon	genus	belongs to Agriochoeridae	stated without evidence	Gazin, 1955
Protoreodon	genus	belongs to Agriochoeridae	implied	Carroll, 1988
Protoreodon	genus	belongs to Agriochoeridae	stated without evidence	McKenna and Bell, 1997
Protoreodon	genus	belongs to Agriochoeridae	stated with evidence	Theodor, 1999

Status (PBDB)

extinct

Taxon Size (PBDB)

First Recorded Appearance

46.2 - 40.4 Ma
Eocene

Last Recorded Appearance

37.2 - 33.9 Ma
Paleogene

Environment

terrestrial (based on Artiodactyla)

Motility

actively mobile (based on Osteichthyes)

Diet

herbivore (based on Agriochoeridae)

Taphonomy

phosphatic (based on Vertebrata)

Primary Reference (PBDB)

W. B. Scott and H. F. Osborn. 1887. Preliminary Report on the Vertebrate Fossils of the Uinta Formation, Collected by the Princeton Expedition of 1886. Proceedings of the American Philosophical Society 24(126):255-264

Fossil Distribution

Subtaxa

Name	Status	Common Name(s)	Fossil Occurrences	Oldest	Youngest
Agriochoerus pumilus ✝ species	accepted (GBIF) listed (PBDB)		42	46.2 Ma Eocene	38.0 Ma Eocene
Agriochoerus transmontanus ✝ species	accepted (GBIF) listed (PBDB)		1	37.2 Ma Eocene	37.2 Ma Eocene
Agriochoerus minimus ✝ species	accepted (GBIF) listed (PBDB)		3	37.2 Ma Eocene	37.2 Ma Eocene
Protoreodon minor ✝ species	accepted (GBIF) listed (PBDB)		1	46.2 Ma Eocene	46.2 Ma Eocene
Protoreodon pacificus ✝ species	accepted (GBIF) listed (PBDB)		8	46.2 Ma Eocene	40.4 Ma Eocene
Protoreodon parvus ✝ species	accepted (GBIF) listed (PBDB)		11	46.2 Ma Eocene	46.2 Ma Eocene
Protoreodon pearcei species	accepted (GBIF)	No associated record in PBDB
Protoreodon petersoni ✝ species	accepted (GBIF) listed (PBDB)		14	46.2 Ma Eocene	37.2 Ma Eocene
Protoreodon walshi ✝ species	accepted (GBIF) listed (PBDB)		7	46.2 Ma Eocene	46.2 Ma Eocene

Obsolete Names

Name	Source	Taxon Rank	Taxonomy
Chorotherium Berg, 1899	GBIF	genus	Animalia : Chordata : Mammalia : Artiodactyla : Agriochoeridae : *Chorotherium*
Hyomeryx Marsch, 1894	GBIF	genus	Animalia : Chordata : Mammalia : Artiodactyla : Agriochoeridae : *Hyomeryx*
Protagriochoerus Scott, 1899	GBIF	genus	Animalia : Chordata : Mammalia : Artiodactyla : Agriochoeridae : *Protagriochoerus*
Mesagriochoerus Peterson, 1934	GBIF	genus	Animalia : Chordata : Mammalia : Artiodactyla : Agriochoeridae : *Mesagriochoerus*
Agriotherium Scott, 1898	GBIF	genus	Animalia : Chordata : Mammalia : Artiodactyla : Agriochoeridae : *Agriotherium*

Synonymy List

Year	Name and Author
1887	Protoreodon Scott and Osborn
1894	Hyomeryx Marsh p. 268
1898	Agriotherium Scott p. 79
1899	Chorotherium Berg
1899	Protagriochoerus Scott
1902	Protagriochoerus Hay p. 662
1902	Protoreodon Hay p. 664
1902	Hyomeryx Hay p. 665
1919	Protoreodon Peterson p. 82
1919	Protagriochoerus Peterson p. 86

Year	Name and Author
1934	Mesagriochoerus Peterson
1937	Protoreodon Thorpe p. 31
1937	Hyomeryx Thorpe p. 40
1955	Protoreodon Gazin
1969	Protoreodon Ferrusquia-Villafranca
1976	Protoreodon Golz
1988	Protoreodon Carroll
1997	Protoreodon McKenna and Bell p. 408
1999	Protoreodon Theodor p. 1180

References

Scott W. B., Osborn H. F. Preliminary Report on the Vertebrate Fossils of the Uinta Formation, Collected by the Princeton Expedition of 1886, Proceedings of the American Philosophical Society 24 126, 255-264

Marsh O. C. Description of Tertiary artiodactyles, American Journal of Science 48 285, 259-275 doi:10.2475/ajs.s3-48.285.259

Scott W. B. Preliminary Note on the Selenodont Artiodactyls of the Uinta Formation, Proceedings of the American Philosophical Society 37 157, 73-81

Hay O. P. (1902) , Bibliography and Catalogue of the Fossil Vertebrata of North America. Bulletin of the United States Geological Survey 179, 1-868

Peterson O. A. (1919) Report Upon the Material Discovered in the Upper Eocene of the Uinta Basin by Earl Douglas in the Years 1908-1909, and by O. A. Peterson in 1912, Annals of Carnegie Museum 12 2, 40-168

Peterson O. A. (1934) List of species and description of new material from the Duchesne River Oligocene, Uinta Basin, Utah, Annals of Carnegie Museum 23 7, 373-389

Thorpe M. R. (1937) The Merycoidodontidae, an extinct group of ruminant mammals, Peabody Museum of Natural History Memoir 3 4, 1-428

Gazin C. L. (1955) A review of the Upper Eocene Artiodactyla of North America, Smithsonian Miscellaneous Collections 128 8, 1-96

Ferrusquia-Villafranca I. (1969) Rancho Gaitan Local Fauna, Early Chadronian, Northeastern Chihuahua, Boletín de la Sociedad Geologica Mexicana 33 2, 99-138

Golz D. J. (1976) Eocene Artiodactyla of Southern California, Natural History Museum of Los Angeles Count, Science Bulletin 26, 1-85

Carroll R. L. (1988) , Vertebrate Paleontology and Evolution, 1-698

McKenna M. C., Bell S. K. (1997) , Classification of Mammals Above the Species Level, 1-640

Theodor J. M. (1999) Protoreodon walshi, a new species of agriochoerid (Oreodonta, Artiodactyla, Mammalia) from the late Uintan of San Diego County, California, Journal of Paleontology 73 6, 1179-1190

Museum Victoria KEmu database (Oct 2006) - via The Interim Register of Marine and Nonmarine Genera

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

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

Theodor, 1999 - via The Interim Register of Marine and Nonmarine Genera

Proc. Amer. Phil. Soc., 24 - 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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