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Limusaurus âśť

Description

Limusaurus (meaning "mud lizard") is a genus of theropod dinosaur from the Jurassic (Oxfordian stage) Upper Shishugou Formation in the Junggar Basin of western China. The genus contains a single species, Limusaurus inextricabilis. Limusaurus was a small, slender animal, about 1.7 metres (5 ft 7 in) in length, that had a long neck and legs but also highly reduced forelimbs. It underwent a drastic morphological transformation as it aged; while juveniles were toothed, these teeth were completely lost and replaced by a beak with age, corresponding to a shift in diet from omnivory to herbivory.


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)4966179https://www.gbif.org/species/4966179
PaleoBioDB ID (PBDB)148870https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=148870
Rankgenus
Taxonomy (GBIF)Life : Animalia : Chordata : Reptilia : Dinosauria : Limusaurus
Taxonomy (PBDB)Life : Animalia : Chordata : Saurischia : Limusaurus
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
-SauropsidaHuxley 1864
classReptiliaLaurenti 1768
subclassEureptilia
-RomeriidaGauthier et al. 1988
-Diapsida
-Eosuchia
-NeodiapsidaBenton 1985
-SauriaGauthier 1984
-Archosauromorpha
-CrocopodaEzcurra 2016
-ArchosauriformesGauthier 1986
-EucrocopodaEzcurra 2016
-Archosauria
informalAvemetatarsaliaBenton 1999
-OrnithodiraGauthier 1986
-DinosauromorphaBenton 1985
-DinosauriformesNovas 1992
-Dinosauria
-Saurischia
-Theropoda
-NeotheropodaBakker 1986
-AverostraPaul 2002
suborderCeratosauria
genusLimusaurusXu M.o.Clark Choiniere Forster Erickson Hone Sullivan Eberth Nesbitt Zhao Hernandez Jia Han & Guo 2009
Scientific NameLimusaurus Xu, M.o.Clark, Choiniere, Forster, Erickson, Hone, Sullivan, Eberth, Nesbitt, Zhao, Hernandez, Jia, Han & Guo, 2009
Name Published InArticle title: A Jurassic ceratosaur from China helps clarify avian digital homologies.
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Limusaurusgenusbelongs to Ceratosauriastated with evidenceXu et al., 2009
Limusaurusgenusbelongs to Abelisauroideastated with evidenceEzcurra et al., 2010
Limusaurusgenusbelongs to Ceratosauriastated without evidenceRuiz et al., 2011
Limusaurusgenusbelongs to Ceratosauriastated with evidenceTortosa et al., 2014
Status (PBDB)extinct
Taxon Size (PBDB)2
First Recorded Appearance164 - 157 Ma
Jurassic
Last Recorded Appearance164 - 157 Ma
Jurassic
Environmentterrestrial (based on Theropoda)
Motilityactively mobile (based on Theropoda)
Dietcarnivore (based on Theropoda)
Reproductionoviparous, dispersal=direct/internal,mobile (based on Theropoda)
Ontogenyaccretion,modification of parts (based on Theropoda)
Taphonomyhydroxylapatite,compact or dense (based on Theropoda)
Primary Reference (PBDB)X. Xu, J. M. Clark, and J. Mo, J. Choiniere, C. A. Forster, G. M. Erickson, D. W. E. Hone, C. Sullivan, D. A. Eberth, S. J. Nesbitt, Q. Zhao, R. Hernández, C.-k. Jia, F.-l. Han, Y. Gou. 2009. A Jurassic ceratosaur from China helps clarify avian digital homologies. Nature 459(7249):940-944
Wikipediahttps://en.wikipedia.org/wiki/Limusaurus

Fossil Distribution

Subtaxa

NameStatusCommon Name(s)Fossil OccurrencesOldestYoungest
Limusaurus inextricabilis âśť
species
accepted (GBIF)
listed (PBDB)
3164 Ma
Middle Jurassic
164 Ma
Middle Jurassic

Synonymy List

YearName and Author
2009Limusaurus Xu et al. p. 940
2010Limusaurus Ezcurra et al. p. 14 fig. 8
2011Limusaurus Ruiz et al. p. 1272
2014Limusaurus Tortosa et al. p. 70
2015Limusaurus Gianechini et al.

References

Xu X., Clark J. M., et al (2009) A Jurassic ceratosaur from China helps clarify avian digital homologies, Nature 459 7249, 940-944 doi:10.1038/nature08124
Ezcurra M. D., Agnolin F. L., et al (2010) An abelisauroid dinosaur with a non-atrophied manus from the Late Cretaceous Pari Aike Formation of southern Patagonia, Zootaxa 2450, 1-25
Tortosa T., Buffetaut E., et al (2014) A new abelisaurid dinosaur from the Late Cretaceous of southern France: palaeobiogeographical implications, Annales de Paléontologie 100 1, 63-86 doi:10.1016/j.annpal.2013.10.003
Gianechini F. A., Apestteguia S., et al (2015) New abelisaurid remains from the Anacleto Formation (Upper Cretaceous), Patagonia, Argentina, Cretaceous Research 54, 1-16
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: A Jurassic ceratosaur from China helps clarify avian digital homologies. - via The Interim Register of Marine and Nonmarine Genera
Nature 459. - 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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