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Janumys

Description

Janumys is a genus of extinct mammal of the middle Cretaceous. It was a member of the order of Multituberculata (also extinct). It lived in North America during the Mesozoic era, also known as the "age of the reptiles." It has been provisionally placed within the informal suborder "Plagiaulacida".


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)4831368https://www.gbif.org/species/4831368
PaleoBioDB ID (PBDB)39787https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=39787
Rankgenus
Taxonomy (GBIF)Life : Animalia : Chordata : Mammalia : Janumys
Taxonomy (PBDB)Life : Animalia : Chordata : Mammalia : Multituberculata : Janumys
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
-Allotheria
orderMultituberculataCope 1884
suborderPlagiaulacida
genusJanumysEaton & Cifelli 2001
Scientific NameJanumys Eaton & Cifelli, 2001
Name Published InActa Palaeontol Pol 46 (4), October
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Janumysgenusbelongs to Plagiaulacidastated with evidenceEaton and Cifelli, 2001
Janumysgenusbelongs to Plagiaulacidastated without evidenceKielan-Jaworowska et al., 2004
Status (PBDB)extinct
Taxon Size (PBDB)2
First Recorded Appearance125 - 101 Ma
Early/Lower Cretaceous
Last Recorded Appearance105 - 94 Ma
Cretaceous
Environmentterrestrial (based on Mammalia)
Motilityactively mobile (based on Osteichthyes)
Dietherbivore (based on Multituberculata)
Taphonomyphosphatic (based on Vertebrata)
Primary Reference (PBDB)J. G. Eaton and R. L. Cifelli. 2001. Multituberculate mammals from near the Early-Late Cretaceous boundary, Cedar Mountain Formation, Utah. Acta Palaeontologica Polonica 46(4):453-518
Wikipediahttps://en.wikipedia.org/wiki/Janumys

Fossil Distribution

Subtaxa

NameStatusCommon Name(s)Fossil OccurrencesOldestYoungest
Janumys erebos
species
accepted (GBIF)
listed (PBDB)
5105 Ma
Early/Lower Cretaceous
105 Ma
Early/Lower Cretaceous

Synonymy List

YearName and Author
2001Janumys Eaton and Cifelli p. 459 figs. 4, 5A–F
2004Janumys Kielan-Jaworowska et al. pp. 254, 319 figs. 8.34J, 8.35G

References

Eaton J. G., Cifelli R. L. (2001) Multituberculate mammals from near the Early-Late Cretaceous boundary, Cedar Mountain Formation, Utah, Acta Palaeontologica Polonica 46 4, 453-518
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
as per family - via The Interim Register of Marine and Nonmarine Genera
Acta Palaeontol Pol 46 (4), October - 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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