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Leptoreodon ✝

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Description

Leptoreodon is an extinct genus of small Artiodactyla, of the family Protoceratidae, endemic to North America. It lived during the Late Eocene 40.4—37.2 Ma, existing for approximately 3 million years. Leptoreodon resembled deer, but were more closely related to camelids.

From Wikipedia article at https://en.wikipedia.org/wiki/Leptoreodon, which is released under the Creative Commons Attribution-Share-Alike License 3.0.

Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	4835656	https://www.gbif.org/species/4835656
PaleoBioDB ID (PBDB)	42576	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=42576

Rank

genus

Taxonomy (GBIF)

Life : Animalia : Chordata : Mammalia : Artiodactyla : Protoceratidae : Leptoreodon

Taxonomy (PBDB)

Life : Animalia : Chordata : Mammalia : Artiodactyla : Protoceratidae : Leptoreodon

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
-	Ruminantiamorpha	Spaulding et al. 2009
family	Protoceratidae	Marsh 1891
genus	Leptoreodon	Wortman 1898

Scientific Name

Leptoreodon Wortman, 1898

Name Published In

Bull. Amer. Mus. Nat. Hist., 10

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Leptoreodon	genus	belongs to Protoceratidae	stated without evidence	Wortman, 1898
Leptoreodon	genus	belongs to Leptomerycinae	stated without evidence	Hay, 1902
Leptoreodon	genus	belongs to Hypertragulidae	stated with evidence	Peterson, 1919
Leptoreodon	genus	belongs to Leptotragulinae	stated without evidence	Gazin, 1955
Leptoreodon	genus	belongs to Protoceratidae	implied	Carroll, 1988
Leptoreodon	genus	belongs to Protoceratidae	stated with evidence	Prothero, 1998

Status (PBDB)

extinct

Taxon Size (PBDB)

First Recorded Appearance

46.2 - 40.4 Ma
Eocene

Last Recorded Appearance

40.4 - 37.2 Ma
Eocene

Environment

terrestrial (based on Artiodactyla)

Motility

actively mobile (based on Osteichthyes)

Diet

browser (based on Protoceratidae)

Taphonomy

phosphatic (based on Vertebrata)

Primary Reference (PBDB)

J. L. Wortman. 1898. The extinct Camelidae of North America and some associated forms. Bulletin of the American Museum of Natural History 10(7):93-141

Wikipedia

https://en.wikipedia.org/wiki/Leptoreodon

Fossil Distribution

Subtaxa

Name	Status	Fossil Occurrences	Oldest	Youngest
Leptoreodon (Hesperomeryx) ✝ subgenus	listed (PBDB)
Leptoreodon edwardsi ✝ species	accepted (GBIF) listed (PBDB)	4	46.2 Ma Eocene	46.2 Ma Eocene
Leptoreodon golzi ✝ species	accepted (GBIF) listed (PBDB)	1	46.2 Ma Eocene	46.2 Ma Eocene
Leptoreodon leptolophus ✝ species	accepted (GBIF) listed (PBDB)	9	46.2 Ma Eocene	40.4 Ma Eocene
Leptoreodon major ✝ species	accepted (GBIF) listed (PBDB)	14	46.2 Ma Eocene	46.2 Ma Eocene
Leptoreodon marshi ✝ species	accepted (GBIF) listed (PBDB)	10	46.2 Ma Eocene	46.2 Ma Eocene
Leptoreodon pusillus ✝ species	accepted (GBIF) listed (PBDB)	8	46.2 Ma Eocene	46.2 Ma Eocene
Leptoreodon stocki ✝ species	accepted (GBIF) listed (PBDB)	14	46.2 Ma Eocene	40.4 Ma Eocene

Synonymy List

Year	Name and Author
1898	Camelomeryx Scott
1898	Merycodesmus Scott
1898	Leptoreodon Wortman
1902	Camelomeryx Hay p. 672
1902	Leptoreodon Hay p. 672
1919	Leptoreodon Peterson p. 98

Year	Name and Author
1955	Leptoreodon Gazin
1976	Leptoreodon Golz
1988	Leptoreodon Carroll
1998	Leptoreodon Prothero p. 434
2007	Leptoreodon Prothero and Ludtke p. 172

References

Wortman J. L. The extinct Camelidae of North America and some associated forms, Bulletin of the American Museum of Natural History 10 7, 93-141

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

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

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

Prothero D. R. (1998) Protoceratidae, Evolution of Tertiary mammals of North America, 431-438

Prothero D. R., Ludtke J. A. (2007) Family Protoceratidae, in D. R. Prothero and S. Foss (eds.), The Evolution of Artiodactyls, 169-176

GBIF/Paleo Database - 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

Bull. Amer. Mus. Nat. Hist., 10 - 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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