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Dyskritodon

Description

Dyskritodon ("tooth of unknown origin", from Greek δυσκρίτος, "dyskritos") is a genus of extinct mammal from the Lower Cretaceous of Morocco, and possibly the Early Jurassic of India. Of uncertain affinities, it is tentatively described as a eutriconodont.


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)4831451https://www.gbif.org/species/4831451
PaleoBioDB ID (PBDB)208903https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=208903
Rankgenus
Taxonomy (GBIF)Life : Animalia : Chordata : Mammalia : Triconodontidae : Dyskritodon
Taxonomy (PBDB)Life : Animalia : Chordata : Mammalia : Eutriconodonta : Dyskritodon
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
orderEutriconodontaKermack et al. 1973
genusDyskritodonSigogneau-Russell 1995
Scientific NameDyskritodon Sigogneau-Russell, 1995
Name Published InActa Palaeontol Pol 40 (2)
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Dyskritodongenusbelongs to Triconodontastated without evidenceSigogneau-Russell, 1995
Dyskritodongenusbelongs to Eutriconodontastated without evidenceKielan-Jaworowska et al., 2004
Status (PBDB)extinct
Taxon Size (PBDB)3
First Recorded Appearance183 - 170 Ma
Jurassic
Last Recorded Appearance145 - 140 Ma
Early/Lower Cretaceous
Environmentterrestrial (based on Mammalia)
Motilityactively mobile (based on Osteichthyes)
Dietinsectivore (based on Mammaliaformes)
Taphonomyphosphatic (based on Vertebrata)
Primary Reference (PBDB)D. Sigogneau-Russell. 1995. Two possibly aquatic triconodont mammals from the Early Cretaceous of Morocco. Acta Palaeontologica Polonica 40(2):149-162
Wikipediahttps://en.wikipedia.org/wiki/Dyskritodon

Fossil Distribution

Subtaxa

NameStatusCommon Name(s)Fossil OccurrencesOldestYoungest
Dyskritodon amazighi
species
accepted (GBIF)
listed (PBDB)
1145 Ma
Late Jurassic
145 Ma
Late Jurassic
Dyskritodon indicus
species
accepted (GBIF)
listed (PBDB)
1183 Ma
Early Jurassic
183 Ma
Early Jurassic

Synonymy List

YearName and Author
1995Dyskritodon Sigogneau-Russell p. 154
2002Dyskritodon Prasad and Manhas p. 446
2004Dyskritodon Kielan-Jaworowska et al. pp. 219, 234-235 fig. 7.10A

References

Sigogneau-Russell D. (1995) Two possibly aquatic triconodont mammals from the Early Cretaceous of Morocco, Acta Palaeontologica Polonica 40 2, 149-162
Prasad G. V. R., Manhas B. K. (2002) Triconodont mammals from the Jurassic Kota Formation of India, Geodiversitas 24 2, 445-464
Kielan-Jaworowska Z., Cifelli R. L., et al (2004) Mammals from the age of dinosaurs: Origins, evolution, and structure, Columbia University Press, New York, 1-630
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
Acta Palaeontol Pol 40 (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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