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Leptotragulus

Description

Leptotragulus is an extinct genus of protoceratid, endemic to North America. It lived during the Middle Eocene epoch (Uintan to Chadronian stage) 40.2—33.9 Ma, existing for approximately 6 million years.


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)4835662https://www.gbif.org/species/4835662
PaleoBioDB ID (PBDB)42577https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=42577
Rankgenus
Taxonomy (GBIF)Life : Animalia : Chordata : Mammalia : Artiodactyla : Protoceratidae : Leptotragulus
Taxonomy (PBDB)Life : Animalia : Chordata : Mammalia : Artiodactyla : Protoceratidae : Leptotragulus
Taxonomic Status (GBIF)accepted
Classification
(PBDB,GBIF)
RankNameAuthor
-Eukaryota
-OpisthokontaCavalier-Smith 1987
kingdomAnimalia
-TriploblasticaLankester 1877
-NephrozoaJondelius et al. 2002
-DeuterostomiaGrobben 1908
phylumChordataHaeckel 1847
subphylumVertebrataLamarck 1801
superclassGnathostomataGegenbauer 1874
-Osteichthyes
-SarcopterygiiRomer 1955
subclassDipnotetrapodomorpha
subclassTetrapodomorpha
-Tetrapoda
-ReptiliomorphaSäve-Söderbergh 1934
-AnthracosauriaSäve-Söderbergh 1934
-Batrachosauria
-Cotylosauria
-AmniotaHaeckel 1866
-SynapsidaOsborn 1903
-Therapsida
infraorderCynodontia
-EpicynodontiaHopson and Kitching 2001
infraorderEucynodontiaKemp 1982
-ProbainognathiaHopson 1990
-MammaliamorphaRowe 1988
-MammaliaformesRowe 1988
classMammaliaLinnaeus 1758
subclassTribosphenida
infraclassEutheria
orderUngulata
orderArtiodactylaOwen 1848
-RuminantiamorphaSpaulding et al. 2009
familyProtoceratidaeMarsh 1891
genusLeptotragulusScott & Osborn 1887
Scientific NameLeptotragulus Scott & Osborn, 1887
Name Published InProc. Amer. Phil. Soc., 24
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Leptotragulusgenusbelongs to Protoceratidaestated without evidenceScott and Osborn, 1887
Leptotragulusgenusbelongs to Leptotragulinaestated without evidenceHay, 1902
Leptotragulusgenusbelongs to Hypertragulidaestated with evidencePeterson, 1919
Leptotragulusgenusbelongs to Leptotragulinaestated without evidenceGazin, 1955
Leptotragulusgenusbelongs to ProtoceratidaeimpliedCarroll, 1988
Leptotragulusgenusbelongs to Protoceratidaestated with evidenceProthero, 1998
Status (PBDB)extinct
Taxon Size (PBDB)5
First Recorded Appearance46.2 - 40.4 Ma
Eocene
Last Recorded Appearance37.2 - 33.9 Ma
Paleogene
Environmentterrestrial (based on Artiodactyla)
Motilityactively mobile (based on Osteichthyes)
Dietbrowser (based on Protoceratidae)
Taphonomyphosphatic (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
Wikipediahttps://en.wikipedia.org/wiki/Leptotragulus

Fossil Distribution

Subtaxa

NameStatusCommon Name(s)Fossil OccurrencesOldestYoungest
Leptotragulus clarki
species
accepted (GBIF)
listed (PBDB)
346.2 Ma
Eocene
46.2 Ma
Eocene
Leptotragulus medius
species
accepted (GBIF)
listed (PBDB)
646.2 Ma
Eocene
40.4 Ma
Eocene
Leptotragulus proavus
species
accepted (GBIF)
listed (PBDB)
346.2 Ma
Eocene
46.2 Ma
Eocene
Leptotragulus ultimus
species
accepted (GBIF)
listed (PBDB)
137.2 Ma
Eocene
37.2 Ma
Eocene

Synonymy List

YearName and Author
1887Leptotragulus Scott and Osborn
1894Parameryx Marsh
1902Leptotragulus Hay p. 674
1902Parameryx Hay p. 674
1908Leptotragulus Matthew p. 561
1919Leptotragulus Peterson p. 93
1955Leptotragulus Gazin
1988Leptotragulus Carroll
1998Leptotragulus Prothero p. 433
2007Leptotragulus Prothero and Ludtke p. 172

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
Hay O. P. (1902) , Bibliography and Catalogue of the Fossil Vertebrata of North America. Bulletin of the United States Geological Survey 179, 1-868
Matthew W. D. (1908) Osteology of Blastomeryx and phylogeny of the American Cervidae, Bulletin of the American Museum of Natural History 24 27, 535-562
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
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
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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