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Vassacyon ✝

Description

Vassacyon is an extinct genus of Miacidae. It contains two species; Vassacyon promicrodon and Vassacyon bowni. It is considered the largest of the early Eocene mammals.


From Wikipedia article at https://en.wikipedia.org/wiki/Vassacyon, which is released under the Creative Commons Attribution-Share-Alike License 3.0.
Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)4833265https://www.gbif.org/species/4833265
PaleoBioDB ID (PBDB)40990https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=40990
Rankgenus
Taxonomy (GBIF)Life : Animalia : Chordata : Mammalia : Carnivora : Miacidae : Vassacyon
Taxonomy (PBDB)Life : Animalia : Chordata : Mammalia : Vassacyon
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.
genusVassacyonMatthew 1909
Scientific NameVassacyon Matthew, 1909
Name Published InMatthew, W. D. 1909. The Carnivora and Insectivora of the Bridger Basin, middle Eocene. Memoirs of the American Museum of Natural History 9: 289-567.
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Vassacyongenusbelongs to Miacidaestated without evidenceMatthew, 1909
Vassacyongenusbelongs to Caniformiastated with evidenceFlynn and Galiano, 1982
Vassacyongenusbelongs to Miacinaestated without evidenceHooker, 1986
Vassacyongenusbelongs to Miacidaestated without evidenceFlynn, 1998
Vassacyongenusbelongs to Miacidaestated with evidenceFriscia and Rasmussen, 2010
Vassacyongenusbelongs to Carnivoraformesstated with evidenceSolé et al., 2016
Status (PBDB)extinct
Taxon Size (PBDB)5
First Recorded Appearance58.7 - 55.8 Ma
Paleogene
Last Recorded Appearance50.3 - 46.2 Ma
Eocene
Environmentterrestrial (based on Eutheria)
Motilityactively mobile (based on Osteichthyes)
Dietcarnivore, omnivore
Ecospace Commentsprimarily a carnivore, secondarily an insectivore and/or herbivore
Taphonomyphosphatic (based on Vertebrata)
Primary Reference (PBDB)W. D. Matthew. 1909. The Carnivora and Insectivora of the Bridger Basin, middle Eocene. Memoirs of the American Museum of Natural History 9:289-567
Wikipediahttps://en.wikipedia.org/wiki/Vassacyon

Fossil Distribution

Subtaxa

NameStatusCommon Name(s)Fossil OccurrencesOldestYoungest
Uintacyon promicrodon ✝
species		accepted (GBIF)
listed (PBDB)		2655.8 Ma
Eocene		55.8 Ma
Eocene
Vassacyon bowni ✝
species		accepted (GBIF)
listed (PBDB)		155.8 Ma
Eocene		55.8 Ma
Eocene
Vassacyon prieuri ✝
species		doubtful (GBIF)
listed (PBDB)		158.7 Ma
Paleocene		58.7 Ma
Paleocene
Vassacyon taxidiotis ✝
species		accepted (GBIF)
listed (PBDB)		256.0 Ma
Paleocene		56.0 Ma
Paleocene

Synonymy List

YearName and Author
1909Vassacyon Matthew
1982Vassacyon Flynn and Galiano p. 50
1986Vassacyon Hooker p. 336
1998Vassacyon Flynn
2010Vassacyon Friscia and Rasmussen p. 60
2016Vassacyon Solé et al.

References

Matthew W. D. (1909) The Carnivora and Insectivora of the Bridger Basin, middle Eocene, Memoirs of the American Museum of Natural History 9, 289-567
Flynn J. J., Galiano H. (1982) Phylogeny of early Tertiary Carnivora, with a description of a new species of Protictis from the middle Eocene of northwestern Wyoming, American Museum Novitates 2725, 1-64
Hooker J. J. (1986) Mammals from the Bartonian (middle/late Eocene) of the Hampshire Basin, southern England, Bulletin of the British Museum (Natural History) 39 4, 191-478
Flynn J. J. (1998) Early Cenozoic Carnivora ("Miacoidea"), Evolution of Tertiary Mammals of North America 1, 110-123
Friscia A. R., Rasmussen D. T. (2010) Middle Eocene Carnivoramorpha of the Uinta Basin, Utah, Annals of Carnegie Museum 79 1, 51-63
Solé F., Smith T., et al (2016) New carnivoraforms from the latest Paleocene of Europe and their bearing on the origin and radiation of Carnivoraformes (Carnivoramorpha, Mammalia), Journal of Vertebrate Paleontology 36 2, e1082480:1-19
Bull. U.S. Geol. Surv., No. 361 - 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
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
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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