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Leptosuchus studeri

Description

Leptosuchus is an extinct genus of leptosuchomorph phytosaurid with a complex taxonomical history. Fossils have been found from the Dockum Group and lower Chinle Formation outcropping in Texas, New Mexico, and Arizona, USA, and date back to the Carnian stage of the Late Triassic.


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)8477367https://www.gbif.org/species/8477367
PaleoBioDB ID (PBDB)159236https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=159236
Rankspecies
Taxonomy (GBIF)Life : Animalia : Chordata : Reptilia : Thecodontia : Parasuchidae : Leptosuchus : Leptosuchus studeri
Taxonomy (PBDB)Life : Animalia : Chordata : Reptilia : Eosuchia : Parasuchidae : Leptosuchus : Leptosuchus studeri
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
-Phytosauria
familyParasuchidaeLydekker 1885
subfamilyMystriosuchinaevon Huene 1915
-LeptosuchomorphaStocker 2010
genusLeptosuchusCase 1922
speciesLeptosuchus studeriCase & White 1934
Generic NameLeptosuchus
Scientific NameLeptosuchus studeri Case & White, 1934
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Leptosuchus studerispeciesbelongs to Leptosuchusstated with evidenceCase and White, 1934
Leptosuchus studerispeciessubjective synonym of Leptosuchus crosbiensisstated with evidenceLong and Murry, 1995
Leptosuchus studerispeciesbelongs to Leptosuchusstated with evidenceStocker and Butler, 2013
Status (PBDB)extinct
Taxon Size (PBDB)1
First Recorded Appearance237 - 209 Ma
Late/Upper Triassic
Last Recorded Appearance237 - 209 Ma
Late/Upper Triassic
Environmentterrestrial (based on Diapsida)
Motilityactively mobile (based on Osteichthyes)
Dietcarnivore (based on Phytosauria)
Taphonomyphosphatic (based on Vertebrata)
Primary Reference (PBDB)E. C. Case and T. E. White. 1934. Two new specimens of phytosaurs from the Upper Triassic of Western Texas. Contributions from the Museum of Paleontology, University of Michigan 4:133-142
Wikipediahttps://en.wikipedia.org/wiki/Leptosuchus_studeri

Fossil Distribution

Synonymy List

YearName and Author
1934Leptosuchus studeri Case and White
2013Leptosuchus studeri Stocker and Butler

References

Case E. C., White T. E. (1934) Two new specimens of phytosaurs from the Upper Triassic of Western Texas, Contributions from the Museum of Paleontology, University of Michigan 4, 133-142
Stocker M. R., Butler R. J. (2013) Phytosauria, Anatomy, Phylogeny and Palaeobiology of Early Archosaurs and their Kin. Geological Society, London, Special Publications 379
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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