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Enaliarctos emlongi âśť

Description

Enaliarctos is an extinct genus of pinniped, and may represent the ancestor to all pinnipeds. Prior to the discovery of Puijila, the five species in the genus Enaliarctos represented the oldest known pinniped fossils, having been recovered from late Oligocene and early Miocene (ca. 24–22 million years ago) strata of California and Oregon.


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)4941591https://www.gbif.org/species/4941591
PaleoBioDB ID (PBDB)71880https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=71880
Rankspecies
Taxonomy (GBIF)Life : Animalia : Chordata : Mammalia : Carnivora : Phocidae : Enaliarctos : Enaliarctos emlongi
Taxonomy (PBDB)Life : Animalia : Chordata : Mammalia : Carnivora : Enaliarctos : Enaliarctos emlongi
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
superfamilyArctoideaFlower 1869
-PinnipedimorphaBerta et al. 1989
genusEnaliarctosMitchell and Tedford 1973
speciesEnaliarctos emlongiBerta 1991
Generic NameEnaliarctos
Scientific NameEnaliarctos emlongi Berta, 1991
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Enaliarctos emlongispeciesbelongs to Enaliarctosstated without evidenceBerta, 1991
Enaliarctos emlongispeciesbelongs to Enaliarctosstated with evidenceDeméré et al., 2003
Enaliarctos emlongispeciesbelongs to Enaliarctosstated without evidenceBarnes, 2008
Status (PBDB)extinct
Taxon Size (PBDB)1
First Recorded Appearance28.1 - 23.0 Ma
Cenozoic
Last Recorded Appearance20.4 - 16.0 Ma
Miocene
Environmentcoastal (based on Pinnipedimorpha)
Motilityactively mobile (based on Osteichthyes)
Dietcarnivore (based on Pinnipedimorpha)
Reproductionviviparous (based on Pinnipedimorpha)
Ontogenymodification of parts (based on Pinnipedimorpha)
Taphonomyhydroxylapatite (based on Pinnipedimorpha)
Primary Reference (PBDB)A. Berta. 1991. New Enaliacrtos* (Pinnipedimorpha) from the Oligocene and Miocene of Oregon and the role of "enaliarctids" in pinniped phylogeny. Smithsonian Contributions to Paleobiology 69:1-33
Wikipediahttps://en.wikipedia.org/wiki/Enaliarctos_emlongi

Fossil Distribution

Synonymy List

YearName and Author
1991Enaliarctos emlongi Berta p. 5 figs. Fig. 3-10
2003Enaliarctos emlongi Deméré et al. p. 49 figs. Fig. 3.3
2008Enaliarctos emlongi Barnes p. 527
2014Enaliarctos emlongi Cullen et al. p. 1471 figs. Figure 1
2018Enaliarctos emlongi Berta et al. p. 205 figs. Fig. 1

References

Berta A. (1991) New Enaliacrtos* (Pinnipedimorpha) from the Oligocene and Miocene of Oregon and the role of "enaliarctids" in pinniped phylogeny, Smithsonian Contributions to Paleobiology 69, 1-33
Deméré T. A., Berta A., et al (2003) Pinnipedimorph evolutionary biogeography, Bulletin of the American Museum of Natural History 279, 32-76
Barnes L. G. (2008) Otarioidea, Evolution of Tertiary Mammals of North America 2, 523-541
Cullen T. M., Fraser D., et al (2014) Early evolution of sexual dimorphism and polygyny in Pinnipedia, Evolution 68 5, 1469-1484 doi:10.1111/evo.12360
Berta A., Churchill M., et al (2018) The Origin and Evolutionary Biology of Pinnipeds: Seals, Sea Lions, and Walruses, Annual Review of Earth and Planetary Sciences 46, 203-228 doi:10.1146/annurev-earth-082517-010009
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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