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Leidyosuchus canadensis

Description

Leidyosuchus (meaning "Leidy's crocodile") is an extinct genus of alligatoroid from the Late Cretaceous of Alberta. It was named in 1907 by Lawrence Lambe, and the type species is L. canadensis. It is known from a number of specimens from the middle Campanian age Dinosaur Park Formation. It was a medium-sized alligatorid, with a maximum skull length greater than 40 centimeters (16 in).


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)4967682https://www.gbif.org/species/4967682
PaleoBioDB ID (PBDB)65784https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=65784
Rankspecies
Taxonomy (GBIF)Life : Animalia : Chordata : Reptilia : Crocodylia : Crocodylidae : Leidyosuchus : Leidyosuchus canadensis
Taxonomy (PBDB)Life : Animalia : Chordata : Reptilia : Crocodylia : Leidyosuchus : Leidyosuchus canadensis
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
-MesoeucrocodyliaWhetstone and Whybrow 1983
-NeosuchiaClark 1988
suborderEusuchiaHuxley 1875
-Crocodylia
-BrevirostresCuvier
superfamilyAlligatoroideaGray 1844
-GlobidontaBrochu 1999
genusLeidyosuchusLambe 1907
speciesLeidyosuchus canadensisLambe 1907
Generic NameLeidyosuchus
Scientific NameLeidyosuchus canadensis Lambe, 1907
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Leidyosuchus canadensisspeciesbelongs to Leidyosuchusstated with evidenceLambe, 1907
Leidyosuchus canadensisspeciesbelongs to Leidyosuchusstated without evidenceBronzati et al., 2012
Leidyosuchus canadensisspeciesbelongs to Leidyosuchusstated with evidenceFarke et al., 2014
Leidyosuchus canadensisspeciesbelongs to Leidyosuchusstated without evidenceSertich and O'Connor, 2014
Status (PBDB)extinct
Taxon Size (PBDB)1
First Recorded Appearance83.5 - 70.6 Ma
Late/Upper Cretaceous
Last Recorded Appearance83.5 - 70.6 Ma
Late/Upper Cretaceous
Environmentmarine (based on Mesoeucrocodylia)
Motilityactively mobile (based on Osteichthyes)
Dietcarnivore (based on Crocodylia)
Taphonomyphosphatic (based on Vertebrata)
Primary Reference (PBDB)L. M. Lambe. 1907. On a new crocodilian genus and species from the Judith River Formation of Alberta. Proceedings and Transactions of the Royal Society of Canada, series 3 1(4):219-235
Wikipediahttps://en.wikipedia.org/wiki/Leidyosuchus_canadensis

Fossil Distribution

Obsolete Names

NameSourceTaxon RankTaxonomy
Leidyosuchus gilmorei Mook, 1942GBIFspeciesAnimalia : Chordata : Reptilia : Crocodylia : Crocodylidae : Leidyosuchus : Leidyosuchus gilmorei

Synonymy List

YearName and Author
1907Leidyosuchus canadensis Lambe p. 221
1910Leidyosuchus canadensis Gilmore p. 485
1932Leidyosuchus canadensis Sternberg p. 158
1942Leidyosuchus gilmorei Mook p. 1 figs. 1-3
1986Leidyosuchus canadensis Lucas and Sullivan pp. 35-36
1997Leidyosuchus canadensis Brochu
YearName and Author
2000Leidyosuchus canadensis Brochu p. 181
2001Leidyosuchus canadensis Wu et al.
2012Leidyosuchus canadensis Bronzati et al.
2014Leidyosuchus canadensis Farke et al.
2014Leidyosuchus canadensis Sertich and O'Connor

References

Lambe L. M. (1907) On a new crocodilian genus and species from the Judith River Formation of Alberta, Proceedings and Transactions of the Royal Society of Canada, series 3 1 4, 219-235
Gilmore C. W. (1910) Leidyosuchus sternbergii, a new species of crocodile from the Ceratops Beds of Wyoming, Proceedings of the United States National Museum 38 1762, 485-502
Sternberg C. M. (1932) The skull of Leidyosuchus canadensis Lambe, American Midland Naturalist 13 4, 157-169
Mook C. C. (1942) A new crocodilian from the Belly River beds, American Museum Novitates 1202, 1-5
Lucas S. G., Sullivan R. M. (1986) Leidyosuchus (Reptilia, Crocodilia) from the Paleocene Nacimiento Formation, San Juan Basin, New Mexico, New Mexico Journal of Science 26 2, 31-38
Brochu C. A. (1997) A review of "Leidyosuchus" (Crocodyliformes, Eusuchia) from the Cretaceous through Eocene of North America, Journal of Vertebrate Paleontology 17 4, 679-697
Brochu C. A. (2000) Borealosuchus (Crocodylia) from the Paleocene of Big Bend National Park, Texas, Journal of Paleontology 74 1, 181-187
Wu X.-C., Russell A. P., et al (2001) A review of Leidyosuchus canadensis Lambe, 1907 (Archosauria: Crocodylia) and an assessment of cranial variation based upon new material, Canadian Journal of Earth Sciences 38, 1665-1687
Bronzati M., Montefeltro F. C., et al (2012) A species-level supertree of Crocodyliformes, Historical Biology 24 6, 598-606
Farke A. A., Henn M. M., et al (2014) Leidyosuchus (Crocodylia: Alligatoroidea) from the Upper Cretaceous Kaiporowits Formation (Late Campanian) of Utah, USA, PaleoBios 30 3, 72-88
Sertich J. J. W., O'Connor P. M. (2014) A new crocodyliform from the middle Cretaceous Galula Formation, southwestern Tanzania, Journal of Vertebrate Paleontology 34 3, 576-596
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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