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Liaoconodon

Description

Liaoconodon is an extinct genus of early mammal from the early Cretaceous (early Aptian stage, approximately 120 Ma). It is a eutriconodont which lived in what is now the Jianchang of Liaoning Province, eastern China. It is known from the holotype IVPP V 16051, which consists of nearly complete skeleton and skull. It was found in the Jiufotang Formation (Jehol Biota) near Xiaotaizi, Lamadong. It was first named by Jin Meng, Yuanqing Wang and Chuankui Li in 2011 and the type species is Liaoconodon hui.


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)8620789https://www.gbif.org/species/8620789
PaleoBioDB ID (PBDB)239721https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=239721
Rankgenus
Taxonomy (GBIF)Life : Animalia : Chordata : Mammalia : Liaoconodon
Taxonomy (PBDB)Life : Animalia : Chordata : Mammalia : Eutriconodonta : Liaoconodon
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
genusLiaoconodonMeng Wang & Li 2011
Scientific NameLiaoconodon Meng, Wang & Li, 2011
Name Published InArticle title: Transitional mammalian middle ear from a new Cretaceous Jehol eutriconodont.
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Liaoconodongenusbelongs to Eutriconodontastated with evidenceMeng et al., 2011
Status (PBDB)extinct
Taxon Size (PBDB)2
First Recorded Appearance125 - 113 Ma
Early/Lower Cretaceous
Last Recorded Appearance125 - 113 Ma
Early/Lower Cretaceous
Environmentterrestrial (based on Mammalia)
Motilityactively mobile (based on Osteichthyes)
Dietinsectivore (based on Mammaliaformes)
Taphonomyphosphatic (based on Vertebrata)
Primary Reference (PBDB)J. Meng, Y. Wang, and C. Li. 2011. Transitional mammalian middle ear from a new Cretaceous Jehol eutriconodont. Nature 472:181-185
Wikipediahttps://en.wikipedia.org/wiki/Liaoconodon

Fossil Distribution

Subtaxa

NameStatusCommon Name(s)Fossil OccurrencesOldestYoungest
Liaoconodon hui
species
accepted (GBIF)
listed (PBDB)
1125 Ma
Early/Lower Cretaceous
125 Ma
Early/Lower Cretaceous

Synonymy List

YearName and Author
2011Liaoconodon Meng et al. p. 181 figs. 1-2

References

Meng J., Wang Y., et al (2011) Transitional mammalian middle ear from a new Cretaceous Jehol eutriconodont, Nature 472, 181-185 doi:10.1038/nature09921
inferred from original work (title) - via The Interim Register of Marine and Nonmarine Genera
refer original publication - via The Interim Register of Marine and Nonmarine Genera
www.organismnames.com (Jul 2012) / web search - via The Interim Register of Marine and Nonmarine Genera
Article title: Transitional mammalian middle ear from a new Cretaceous Jehol eutriconodont. - via The Interim Register of Marine and Nonmarine Genera
Nature 472. - 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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