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Zhangheotherium âśť

Description

Zhangheotherium is a genus of symmetrodont, an extinct order of mammals. Previously known from only the tall pointed crowned teeth, Zhangheotherium, described from Liaoning Province, China, fossils in 1997, is the first symmetrodont known from a complete skeleton. It was dated to between 145–125 million years ago in the Cretaceous. A single species, Zhangheotherium quinquecuspidens, is known.


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)4829771https://www.gbif.org/species/4829771
PaleoBioDB ID (PBDB)65257https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=65257
Rankgenus
Taxonomy (GBIF,PBDB)Life : Animalia : Chordata : Mammalia : Zhangheotherium
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
-Theriamorpha
-Theriiformes
-SpalacotherioideaProthero 1981
genusZhangheotheriumHu Wang Luo & Li 1997
Scientific NameZhangheotherium Hu, Wang, Luo & Li, 1997
Name Published InNature (Lond) 390 (6656), 13 November
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Zhangheotheriumgenusbelongs to Spalacotheriidaestated without evidenceHu et al., 1997
Zhangheotheriumgenusbelongs to Mammaliastated with evidenceLuo et al., 2001
Zhangheotheriumgenusbelongs to Spalacotherioideastated without evidenceAverianov, 2002
Zhangheotheriumgenusbelongs to Spalacotheriidaestated without evidenceKielan-Jaworowska et al., 2004
Zhangheotheriumgenusbelongs to Spalacotherioideastated with evidenceLi and Luo, 2006
Zhangheotheriumgenusbelongs to Spalacotheriidaestated without evidenceZhou and Wang, 2010
Status (PBDB)extinct
Taxon Size (PBDB)2
First Recorded Appearance129 - 122 Ma
Early/Lower Cretaceous
Last Recorded Appearance129 - 122 Ma
Early/Lower Cretaceous
Environmentterrestrial (based on Mammalia)
Motilityactively mobile (based on Osteichthyes)
Dietinsectivore (based on Mammaliaformes)
Taphonomyphosphatic (based on Vertebrata)
Primary Reference (PBDB)Y. Hu, Y. Wang, and Z. Luo, C. Li. 1997. A new symmetrodont mammal from China and its implications for mammalian evolution. Nature 390:137-142
Wikipediahttps://en.wikipedia.org/wiki/Zhangheotherium

Fossil Distribution

Subtaxa

NameStatusCommon Name(s)Fossil OccurrencesOldestYoungest
Zhangheotherium quinquecuspidens âśť
species
accepted (GBIF)
listed (PBDB)
2129 Ma
Early/Lower Cretaceous
129 Ma
Early/Lower Cretaceous

Synonymy List

YearName and Author
1997Zhangheotherium Hu et al. pp. 137-140 figs. 1-4
2001Zhangheotherium Luo et al. pp. suppl. p. 9
2002Zhangheotherium Averianov p. 714
2004Zhangheotherium Kielan-Jaworowska et al. pp. 345, 368 figs. 9.2, 9.3C, 9.4, 9.10D
2006Zhangheotherium Li and Luo p. 197
2010Zhangheotherium Zhou and Wang

References

Hu Y., Wang Y., et al (1997) A new symmetrodont mammal from China and its implications for mammalian evolution, Nature 390, 137-142
Luo Z.-X., Crompton A. W., et al (2001) A new mammaliaform from the Early Jurassic and evolution of mammalian characteristics, Science 292, 1535-1540
Averianov A. O. (2002) Early Cretaceous “symmetrodont” mammal Gobiotheriodon from Mongolia and the classification of “Symmetrodonta, Acta Palaeontologica Polonica 47 4, 705-716
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
Li G., Luo Z.-X. (2006) A Cretaceous symmetrodont therian with some monotreme-like postcranial features, Nature 439, 195-200
Zhou Z. -H., Wang Y. (2010) Vertebrate diversity of the Jehol Biota as compared with other Lagerstätten, Science China, Earth Sciences 53 12, 1895-1907 doi:10.1007/s11430-010-4094-9
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
Nature (Lond) 390 (6656), 13 November - 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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