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Leptochoeridae ✝

Description

Leptochoeridae is an extinct family of basal artiodactyl mammals from the early Eocene to late Oligocene of North America.


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)3240351https://www.gbif.org/species/3240351
PaleoBioDB ID (PBDB)42374https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=42374
Rankfamily
Taxonomy (GBIF)Life : Animalia : Chordata : Mammalia : Artiodactyla : Leptochoeridae
Taxonomy (PBDB)Life : Animalia : Chordata : Mammalia : Artiodactyla : Leptochoeridae
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
superfamilyDichobunoideaGill 1872
familyLeptochoeridaeMarsh 1894
Scientific NameLeptochoeridae
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Leptochoeridaefamilybelongs to Dichobunoideastated with evidenceColbert, 1938
Leptochoeridaefamilybelongs to Palaeodontastated with evidenceScott, 1940
Leptochoeridaefamilybelongs to EntelodontoideaimpliedCarroll, 1988
Leptochoeridaefamilybelongs to Dichobunoideastated with evidenceTheodor et al., 2007
Status (PBDB)extinct
Taxon Size (PBDB)16
First Recorded Appearance55.8 - 50.3 Ma
Eocene
Last Recorded Appearance20.4 - 16.0 Ma
Miocene
Environmentterrestrial (based on Artiodactyla)
Motilityactively mobile (based on Osteichthyes)
Dietgrazer, browser (based on Artiodactyla)
Taphonomyphosphatic (based on Vertebrata)
Primary Reference (PBDB)O. C. Marsh. 1894. Description of Tertiary artiodactyles. American Journal of Science 48(285):259-275
Wikipediahttps://en.wikipedia.org/wiki/Leptochoeridae

Fossil Distribution

Subtaxa

NameStatusCommon Name(s)Fossil OccurrencesOldestYoungest
Acamana
genus
accepted (GBIF)
listed (PBDB)
342.0 Ma
Eocene
29.0 Ma
Oligocene
Andinodus
genus
accepted (GBIF)
listed (PBDB)
166.0 Ma
Late/Upper Cretaceous
66.0 Ma
Late/Upper Cretaceous
Heterolophodon
genus
accepted (GBIF)
listed (PBDB)
137.2 Ma
Eocene
37.2 Ma
Eocene
Ibarus
genus
accepted (GBIF)
listed (PBDB)
246.2 Ma
Eocene
46.2 Ma
Eocene
Laredochoerus
genus
accepted (GBIF)
listed (PBDB)
246.2 Ma
Eocene
46.2 Ma
Eocene
Leptochoerus
genus
accepted (GBIF)
listed (PBDB)
2846.2 Ma
Eocene
30.8 Ma
Oligocene
Stibarus
genus
accepted (GBIF)
listed (PBDB)
3737.2 Ma
Eocene
20.4 Ma
Miocene
Trilobodon
genus
accepted (GBIF)
listed (PBDB)
237.2 Ma
Eocene
37.2 Ma
Eocene

Obsolete Names

NameSourceTaxon RankTaxonomy
Diacodexis woltonensis Krishtalka & Stucky, 1985GBIFspeciesAnimalia : Chordata : Mammalia : Artiodactyla : Leptochoeridae : Diacodexis woltonensis

Synonymy List

YearName and Author
1894Leptochoeridae Marsh p. 273
1938Leptochoeridae Colbert p. 105
1940Leptochoeridae Scott p. 366
1985Diacodexis woltonensis Krishtalka and Stucky
1988Leptochoeridae Carroll
2007Leptochoeridae Theodor et al. p. 55

References

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. (1940) The mammalian fauna of the White River Oligocene; Part 4, Artiodactyla; Part 5, Perissodactyla, Transactions of the American Philosophical Society 28 4, 363-746
Krishtalka L., Stucky R. K. (1985) Revision of the Eocene Wind River Faunas, Early Eocene of Central Wyoming. Part 7. Revision of Diacodexis (Mammalian, Artiodactyla), Annals of Carnegie Museum 54 14, 413-486
Carroll R. L. (1988) , Vertebrate Paleontology and Evolution, 1-698
Theodor J. M., Erfurt J., et al (2007) The earliest artiodactyls, The Evolution of Artiodactyls, 32-58
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
Systema Naturae 2000 (2006 version) - 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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