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Patagosuchus

Description

Patagosuchus is an extinct genus of peirosaurid crocodyliform known from the early Late Cretaceous Portezuelo Formation of Neuquén Province, western central Argentina. It contains a single species, Patagosuchus anielensis. It is distinguished from other peirosaurids by its extremely heterodont dentition, which includes small serrated teeth at the front of the jaws with much larger, laterally compressed caniniform teeth behind them. Patagosuchus also has large spaces between its teeth called interalveolar spaces that are not found in any other peirosaurid.


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)8691407https://www.gbif.org/species/8691407
PaleoBioDB ID (PBDB)321551https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=321551
Rankgenus
Taxonomy (GBIF)Life : Animalia : Chordata : Reptilia : Crocodylia : Peirosauridae : Patagosuchus
Taxonomy (PBDB)Life : Animalia : Chordata : Reptilia : Eosuchia : Peirosauridae : Patagosuchus
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
-SebeciaLarsson and Sues 2007
-Peirosauridae
genusPatagosuchusLio et al. 2016
Scientific NamePatagosuchus Lio et al., 2016
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Patagosuchusgenusbelongs to Peirosauridaestated with evidenceLio et al., 2016
Status (PBDB)extinct
Taxon Size (PBDB)2
First Recorded Appearance93.5 - 85.8 Ma
Late/Upper Cretaceous
Last Recorded Appearance93.5 - 85.8 Ma
Late/Upper Cretaceous
Environmentmarine (based on Mesoeucrocodylia)
Motilityactively mobile (based on Osteichthyes)
Dietcarnivore (based on Pseudosuchia)
Taphonomyphosphatic (based on Vertebrata)
Primary Reference (PBDB)G. Lio, F. L. Agnolín, and R. Juarez Valieri, L. Filippi, D. Rosales. 2016. A new peirosaurid (Crocodilyformes) from the Late Cretaceous (Turonian–Coniacian) of Patagonia, Argentina. Historical Biology 28(6):835-841
Wikipediahttps://en.wikipedia.org/wiki/Patagosuchus

Fossil Distribution

Subtaxa

NameStatusCommon Name(s)Fossil OccurrencesOldestYoungest
Patagosuchus anielensis
species
accepted (GBIF)
listed (PBDB)
193.5 Ma
Late/Upper Cretaceous
93.5 Ma
Late/Upper Cretaceous

Synonymy List

YearName and Author
2016Patagosuchus Lio et al.

References

Lio G., Agnolín F. L., et al (2016) A new peirosaurid (Crocodilyformes) from the Late Cretaceous (Turonian–Coniacian) of Patagonia, Argentina, Historical Biology 28 6, 835-841 doi:10.1080/08912963.2015.1043999
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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