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Hypogeomys

Description

Hypogeomys is a genus of rodents in the family Nesomyidae, found in Madagascar. There is one extant species, the Malagasy giant rat (Hypogeomys antimena), currently an endangered species with a restricted range. There is also another species known from subfossils from a few thousand years ago, Hypogeomys australis. H. antinema measures 33 centimetres (13 in), making it the largest rodent in Madagascar, while H. australis seems to have been slightly larger.


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)2438544https://www.gbif.org/species/2438544
PaleoBioDB ID (PBDB)104915https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=104915
Rankgenus
Taxonomy (GBIF,PBDB)Life : Animalia : Chordata : Mammalia : Rodentia : Nesomyidae : Hypogeomys
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
-EuarchontogliresMurphy et al. 2001
-Glires
orderRodentia
infraorderMyodontaSchaub 1958
superfamilyMuroideaIlliger 1811
-EumuroidaSteppan et al. 2004
familyNesomyidae
subfamilyNesomyinae
genusHypogeomysA.Grandidier 1869
Common NameMalagasy giant rat
Scientific NameHypogeomys A.Grandidier, 1869
Name Published InRev. Mag. Zool. Paris, ser. 2 vol.21 p.338
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Hypogeomysgenusbelongs to Nesomyinaestated with evidenceSteppan et al., 2004
Hypogeomysgenusbelongs to Nesomyidaestated without evidenceBurney et al., 2008
Status (PBDB)extant
Taxon Size (PBDB)2
Extant Size (PBDB)1 (50%)
First Recorded Appearance0.01 Ma
Pleistocene
Environmentterrestrial (based on Eutheria)
Motilityactively mobile (based on Osteichthyes)
Dietherbivore (based on Rodentia)
Taphonomyphosphatic (based on Vertebrata)
Primary Reference (PBDB)S. J. Steppan, R. M. Adkins, and J. Anderson. 2004. Phylogeny and divergence-date estimates of rapid radiations in muroid rodents based on multiple nuclear genes. Systematic Biology 53(4):533-553
Common Name(s) Malagasy Giant Rat
Wikipediahttps://en.wikipedia.org/wiki/Hypogeomys

Fossil Distribution

Subtaxa

NameStatusCommon Name(s)Fossil OccurrencesOldestYoungest
Hypogeomys antimena
species
accepted (GBIF)No associated record in PBDB
Hypogeomys boulei
species
accepted (GBIF)
listed (PBDB)

Synonymy List

YearName and Author
1869Hypogeomys Grandidier
2004Hypogeomys Steppan et al. p. 539
2008Hypogeomys Burney et al. p. 19

References

Steppan S. J., Adkins R. M., et al (2004) Phylogeny and divergence-date estimates of rapid radiations in muroid rodents based on multiple nuclear genes, Systematic Biology 53 4, 533-553
Burney D. A., Vasey N., et al (2008) New findings at Andrahomana Cave, southeastern Madagascar, Journal of Cave and Karst Studies 70 1, 13-24
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
Wilson, D.E.; Reeder, D.M. (editors). (2005). Mammal Species of the World. A Taxonomic and Geographic Reference (3rd Ed.). Johns Hopkins University Press, Baltimore. 2,142 pp. - via The Interim Register of Marine and Nonmarine Genera
as per family - via The Interim Register of Marine and Nonmarine Genera
Rev. Mag. Zool., (2) 21 - via The Interim Register of Marine and Nonmarine Genera
Wilson, Don E., and DeeAnn M. Reeder, eds., 1992: null. Mammal Species of the World: A Taxonomic and Geographic Reference, 2nd ed., 3rd printing. xviii + 1207. - via Integrated Taxonomic Information System (ITIS)
Carleton, Michael D., and David F. Schmidt, 1990: Systematic Studies of Madagascar's Endemic Rodents (Muroidea: Nesomyinae): an Annotated Gazetteer of Collecting Localities of Known Forms. American Museum Novitates, no. 2987. 1-36. - via Integrated Taxonomic Information System (ITIS)
Musser, Guy G., and Michael D. Carleton / Wilson, Don E., and DeeAnn M. Reeder, eds., 2005: Superfamily Muroidea. Mammal Species of the World: A Taxonomic and Geographic Reference, 3rd ed., vol. 2. 894-1531. - via Integrated Taxonomic Information System (ITIS)
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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