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Edentosuchus

Description

Edentosuchus is a genus of protosuchian crocodylomorph. It is known from fossils found in rocks of the Early Cretaceous-age Tugulu Group from the Junggar Basin, Xinjiang, China. Two partial skulls and several neck vertebrae are known to date. An articulated partial postcranial skeleton may also belong to this genus, but there is no overlapping material between it and known Edentosuchus specimens. Edentosuchus was described in 1973 by Yang Zhongjian (C. C. Young), and is based on IVPP V 3236, a partial skull and associated neck vertebrae. The type species is E. tienshanensis. A joint Natural History Museum of Los Angeles County-National Geological Museum of China expedition recovered another partial skull in 2000. Yang originally assigned it to its own family (Edentosuchidae) within Protosuchia, but later research by Diego Pol and colleagues using the new material found it to be a protosuchid.


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)4822086https://www.gbif.org/species/4822086
PaleoBioDB ID (PBDB)38404https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=38404
Rankgenus
Taxonomy (GBIF)Life : Animalia : Chordata : Reptilia : Crocodylia : Protosuchidae : Edentosuchus
Taxonomy (PBDB)Life : Animalia : Chordata : Reptilia : Eosuchia : Protosuchidae : Edentosuchus
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
-Pseudosuchia
-SuchiaKrebs 1974
-ParacrocodylomorphaParrish 1993
-Loricata
-Crocodylomorpha
suborderCrocodyliformesHay 1930
familyProtosuchidaeBrown 1934
genusEdentosuchusYoung 1973
Scientific NameEdentosuchus Young, 1973
Name Published InMem. Inst. Vertebr. Paleont. Paleoanthrop. Peking No. 11
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Edentosuchusgenusbelongs to Edentosuchidaestated without evidenceYoung, 1973
Edentosuchusgenusbelongs to Edentosuchidaestated with evidenceLi, 1985
Edentosuchusgenusbelongs to EdentosuchidaeimpliedCarroll, 1988
Edentosuchusgenusbelongs to Protosuchidaestated with evidencePol et al., 2004
Edentosuchusgenusbelongs to Protosuchiastated without evidenceFiorelli and Calvo, 2008
Edentosuchusgenusbelongs to Crocodyliformesstated with evidenceNascimento and Zaher, 2011
Edentosuchusgenusbelongs to Protosuchiastated with evidenceBronzati et al., 2012
Edentosuchusgenusbelongs to Protosuchidaestated with evidenceBuscalioni, 2017
Status (PBDB)extinct
Taxon Size (PBDB)2
First Recorded Appearance199 - 183 Ma
Early Jurassic
Last Recorded Appearance122 - 101 Ma
Early/Lower Cretaceous
Environmentterrestrial (based on Diapsida)
Motilityactively mobile (based on Osteichthyes)
Dietcarnivore (based on Pseudosuchia)
Taphonomyphosphatic (based on Vertebrata)
Primary Reference (PBDB)C.-C. Young. 1973. [A new fossil crocodile from Wuerho]. Reports of Paleontological Expedition to Sinkiang (II): Pterosaurian Fauna from Wuerho, Sinkiang. Memoirs of the Institute of Vertebrate Paleontology and Paleoanthropology Academia Sinica 11:37-44
Wikipediahttps://en.wikipedia.org/wiki/Edentosuchus

Fossil Distribution

Subtaxa

NameStatusCommon Name(s)Fossil OccurrencesOldestYoungest
Edentosuchus tienshanensis
species
accepted (GBIF)
listed (PBDB)
3122 Ma
Early/Lower Cretaceous
122 Ma
Early/Lower Cretaceous

Synonymy List

YearName and Author
1973Edentosuchus Young p. 37 figs. Pl. 1-3
1985Edentosuchus Li
1988Edentosuchus Carroll
2004Edentosuchus Pol et al.
2008Edentosuchus Fiorelli and Calvo
2011Edentosuchus Nascimento and Zaher
2012Edentosuchus Bronzati et al.
2017Edentosuchus Buscalioni
2019Edentosuchus Martínez et al.

References

Young C.-C. (1973) [A new fossil crocodile from Wuerho], Reports of Paleontological Expedition to Sinkiang (II): Pterosaurian Fauna from Wuerho, Sinkiang. Memoirs of the Institute of Vertebrate Paleontology and Paleoanthropology Academia Sinica 11, 37-44
Carroll R. L. (1988) , Vertebrate Paleontology and Evolution, 1-698
Pol D., Ji S., et al (2004) Basal crocodyliforms from the Lower Cretaceous Tugulu Group (Xinjiang, China), and the phylogenetic position of Edentosuchus, Cretaceous Research 25 2004, 603-622
Fiorelli L., Calvo J. O. (2008) New remains of Notosuchus terrestris Woodward, 1896 (Crocodyliformes: Mesoeucrocodylia) from Late Cretaceous of Neuquen, Patagonia, Argentina, Arquivos do Museu Nacional, Rio de Janeiro 66 1, 83-124
Nascimento P. M., Zaher H. (2011) The skull of the Upper Cretaceous baurusuchid crocodile Baurusuchus alberoi Nascimento & Zaher 2010, and its phylogenetic affinities, Zoological Journal of the Linnean Society 163, S116-S131
Bronzati M., Montefeltro F. C., et al (2012) A species-level supertree of Crocodyliformes, Historical Biology 24 6, 598-606
Buscalioni A. D. (2017) The Gobiosuchidae in the early evolution of Crocodyliformes, Journal of Vertebrate Paleontology, e1324459:1-21 doi:10.1080/02724634.2017.1324459
Martínez R. N., Alcober O. A., et al (2019) A new protosuchid crocodyliform (Pseudosuchia, Crocodylomorpha) from the Norian Los Colorados Formation, northwestern Argentina, Journal of Vertebrate Paleontology 38 4, e1491047:1-12 doi:https://doi.org./10.1080/02724634.2018.1491047
GBIF/Paleo Database - via The Interim Register of Marine and Nonmarine Genera
NZ cross ref or inferred from publ. title - via The Interim Register of Marine and Nonmarine Genera
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
Mem. Inst. Vertebr. Paleont. Paleoanthrop. Peking No. 11 - 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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