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Hesperocyon

Description

Hesperocyon is an extinct genus of canids (subfamily Hesperocyoninae, family Canidae) that was endemic to North America, ranging from southern Canada to Colorado. It appeared during the Uintan age–Bridgerian age (NALMA) of the Mid-Eocene 42.5 mya—31.0 Ma. (AEO). Hesperocyon existed for approximately 11.5 million years.


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)4833550https://www.gbif.org/species/4833550
PaleoBioDB ID (PBDB)41217https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=41217
Rankgenus
Taxonomy (GBIF,PBDB)Life : Animalia : Chordata : Mammalia : Carnivora : Canidae : Hesperocyon
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
-PlacentaliaOwen 1837
-LaurasiatheriaWaddell et al. 1999
-ScrotiferaWaddell et al. 1999
-FeraeLinnaeus 1758
-CarnivoramorphaWyss and Flynn 1993
-CarnivoraformesFlynn et al.
orderCarnivoraBowditch 1821
suborderCaniformiaKretzoi 1943
superfamilyCanoideaSimpson 1931
familyCanidaeFischer 1817
subfamilyHesperocyoninaeTedford 1978
genusHesperocyonScott 1890
Scientific NameHesperocyon Scott, 1890
Name Published InPrinceton College Bull., 2
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Hesperocyongenusbelongs to Canidaestated without evidenceScott, 1890
Hesperocyongenusbelongs to CanidaeimpliedCarroll, 1988
Hesperocyongenusbelongs to Canidaestated without evidenceBryant, 1993
Hesperocyongenusbelongs to Hesperocyoninaestated with evidenceWang, 1994
Hesperocyongenusbelongs to Hesperocyoninaestated without evidenceWang and Tedford, 1996
Status (PBDB)extinct
Taxon Size (PBDB)3
First Recorded Appearance46.2 - 40.4 Ma
Eocene
Last Recorded Appearance30.8 - 20.4 Ma
Cenozoic
Environmentterrestrial (based on Eutheria)
Motilityactively mobile (based on Osteichthyes)
Dietcarnivore, omnivore (based on Canidae)
Taphonomyphosphatic (based on Vertebrata)
Primary Reference (PBDB)W. D. Matthew. 1918. Contributions to the Snake Creek Fauna with notes upon the Pleistocene of western Nebraska, American Museum Expedition of 1916. Bulletin of the American Museum of Natural History 38(7):183-229
Wikipediahttps://en.wikipedia.org/wiki/Hesperocyon

Fossil Distribution

Subtaxa

NameStatusCommon Name(s)Fossil OccurrencesOldestYoungest
Canis gregarius
species
accepted (GBIF)
listed (PBDB)
13340.4 Ma
Eocene
33.3 Ma
Oligocene
Hesperocyon coloradensis
species
accepted (GBIF)
listed (PBDB)
233.9 Ma
Oligocene
33.9 Ma
Oligocene

Obsolete Names

NameSourceTaxon RankTaxonomy
Pseudocynodictis Schlosser, 1902GBIFgenusAnimalia : Chordata : Mammalia : Carnivora : Canidae : Pseudocynodictis

Synonymy List

YearName and Author
1890Hesperocyon Scott
1902Pseudocynodictis Schlosser p. 164
1911Pseudocynodictis Schlosser
1984Alloeodectes Russell
1986Hesperocyon Gustafson
1988Hesperocyon Carroll
1993Hesperocyon Bryant
1994Hesperocyon Wang p. 24
1996Hesperocyon Wang and Tedford

References

Matthew W. D. (1918) Contributions to the Snake Creek Fauna with notes upon the Pleistocene of western Nebraska, American Museum Expedition of 1916, Bulletin of the American Museum of Natural History 38 7, 183-229
Gustafson E. P. (1986) Carnivorous mammals of the Late Eocene and Early Oligocene of Trans-Pecos Texas, Texas Memorial Museum Bulletin 33, 1-66
Carroll R. L. (1988) , Vertebrate Paleontology and Evolution, 1-698
Bryant H. N. (1993) Carnivora and Creodonta of the Calf Creek Local Fauna (Late Eocene, Chadronian), Cypress Hills Formation, Saskatchewan, Journal of Paleontology 67 6, 1032-1046
Wang X. (1994) Phylogenetic systematics of the Hesperocyoninae (Carnivora: Canidae), Bulletin of the American Museum of Natural History 221, 1-207
Wang X., Tedford R. H. (1996) , The Terrestrial Eocene-Oligocene Transition in North America
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
Princeton College Bull., 2 - 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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