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Baurusuchus salgadoensis

Description

Baurusuchus is an extinct member of the ancestral crocodilian lineage, which lived in Brazil from 90 to 83.5 million years ago, in the Late Cretaceous period. Technically, it is a genus of baurusuchid mesoeucrocodylian. It was a terrestrial predator and scavenger, about 3.5 to 4 metres (11.5 to 13.1 ft) long and 80 kilograms (176 lb) in weight. Baurusuchus lived during the Turonian to Santonian stages of the Late Cretaceous Period, in Adamantina Formation, Brazil. It gets its name from the Brazilian Bauru Group ("Bauru crocodile"). It was related to the earlier-named Cynodontosuchus rothi, which was smaller, with weaker dentition. The three species are B. pachechoi, named after Eng Joviano Pacheco, its discoverer, B. salgadoensis (named after General Salgado County in São Paulo, Brazil) and B. albertoi (named after Dr. Alberto Barbosa de Carvalho, Brazilian paleontologist). The latter species is disputed (see phylogeny section). Its relatives include the similarly sized Stratiotosuchus from the Adamantina Formation, and Pabweshi, from the Pakistani Pab Formation.


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)8626124https://www.gbif.org/species/8626124
PaleoBioDB ID (PBDB)158013https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=158013
Rankspecies
Taxonomy (GBIF)Life : Animalia : Chordata : Reptilia : Crocodylia : Baurusuchidae : Baurusuchus : Baurusuchus salgadoensis
Taxonomy (PBDB)Life : Animalia : Chordata : Reptilia : Eosuchia : Baurusuchidae : Baurusuchus : Baurusuchus salgadoensis
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
infraorderNotosuchiaGasparini 1971
-ZiphosuchiaOrtega et al. 2000
suborderSebecosuchiaColbert 1946
familyBaurusuchidaePrice 1945
subfamilyBaurusuchinaeMontefeltro et al. 2011
genusBaurusuchusPrice 1945
speciesBaurusuchus salgadoensisCarvalho et al. 2005
Generic NameBaurusuchus
Scientific NameBaurusuchus salgadoensis Carvalho et al., 2005
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Baurusuchus salgadoensisspeciesbelongs to Baurusuchusstated with evidenceCarvalho et al., 2005
Baurusuchus salgadoensisspeciesbelongs to Baurusuchusstated without evidenceNobre and Carvalho, 2006
Baurusuchus salgadoensisspeciesbelongs to Baurusuchusstated with evidenceNascimento and Zaher, 2011
Baurusuchus salgadoensisspeciesbelongs to Baurusuchusstated without evidenceCarvalho et al., 2011
Baurusuchus salgadoensisspeciesbelongs to Baurusuchusstated with evidenceBronzati et al., 2012
Status (PBDB)extinct
Taxon Size (PBDB)1
First Recorded Appearance83.5 - 66.0 Ma
Late/Upper Cretaceous
Last Recorded Appearance83.5 - 66.0 Ma
Late/Upper Cretaceous
Environmentmarine (based on Mesoeucrocodylia)
Motilityactively mobile (based on Osteichthyes)
Dietcarnivore (based on Pseudosuchia)
Taphonomyphosphatic (based on Vertebrata)
Primary Reference (PBDB)I. S. Carvalho, A. C. A. Campos, and P. H. Nobre. 2005. Baurusuchus salgadoensis, a new crocodylomorpha from the Bauru Basin (Cretaceous), Brazil. Gondwana Research 8(1):11-30
Wikipediahttps://en.wikipedia.org/wiki/Baurusuchus_salgadoensis

Fossil Distribution

Synonymy List

YearName and Author
2005Baurusuchus salgadoensis Carvalho et al. p. 14
2006Baurusuchus salgadoensis Nobre and Carvalho
2008Baurusuchus salgadoensis Martinelli and Pais
2010Baurusuchus salgadoensis Nascimento and Zaher
2011Baurusuchus salgadoensis Carvalho et al.
2011Baurusuchus salgadoensis Montefeltro et al.
2011Baurusuchus salgadoensis Nascimento and Zaher
2012Baurusuchus salgadoensis Bronzati et al.
2014Baurusuchus salgadoensis Godoy et al.
2014Baurusuchus salgadoensis Pol et al.

References

Carvalho I. S., Campos A. C. A., et al (2005) Baurusuchus salgadoensis, a new crocodylomorpha from the Bauru Basin (Cretaceous), Brazil, Gondwana Research 8 1, 11-30
Nobre P. H., Carvalho I. d. S. (2006) Adamantinasuchus navae: A new Gondwanan Crocodylomorpha (Mesoeucrocodylia) from the Late Cretaceous of Brazil, Gondwana Research 10, 370-378 doi:10.1016/j.gr.2006.05.008
Martinelli A. G., Pais D. F. (2008) A new baurusuchid crocodyliform (Archosauria) from the Late Cretaceous of Patagonia (Argentina), Comptes Rendus Palevol 7, 371-381 doi:10.1016/j.crpv.2008.05.002
Nascimento P. M., Zaher H. (2010) A new species of Baurusuchus (Crocodyliformes, Mesoeucrocodylia) from the Upper Cretaceous of Brazil, with the first complete postcranial skeleton described for the family Baurusuchidae, Papéis Avulsos de Zoologia 50 21, 323-361
Carvalho I. d. S., Teixeira V. P. A., et al (2011) Campinasuchus dinizi gen. et sp. nov., a new Late Cretaceous baurusuchid (Crocodyliformes) from the Bauru Basin, Brazil, Zootaxa 2871, 19-42
Montefeltro F. C., Larsson H. C. E., et al (2011) A New Baurusuchid (Crocodyliformes, Mesoeucrocodylia) from the Late Cretaceous of Brazil and the Phylogeny of Baurusuchidae, PLoS One 6 7, e21916 doi:10.1371/journal.pone.0021916
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
Godoy P. L., Montefeltro F. C., et al (2014) An additional baurusuchid from the Cretaceous of Brazil with evidence of interspecific predation among Crocodyliformes, PLoS One 9 5, e97138
Pol D., Nascimento P. M., et al (2014) A new notosuchian from the Late Cretaceous of Brazil and the phylogeny of advanced notosuchians, PLoS One 9 4, e93105
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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