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BETA TEST - Fossil data and pages are very much experimental and under development. Please report any problems

Pakasuchus kapilimai

Description

Pakasuchus is a genus of notosuchian crocodyliform distinguished by its unusual mammal-like appearance, including mammal-like teeth that would have given the animal the ability to chew. It also had long, slender legs and a doglike nose. Pakasuchus lived approximately 105 million years ago, in the mid-Cretaceous. Fossils have been found in the Galula Formation of Rukwa Rift Basin of southwestern Tanzania, and were described in 2010 in the journal Nature. The type species is P. kapilimai. Pakasuchus means "cat crocodile" (paka meaning "cat" in Kiswahili) in reference to its cat-like appearance and probable behavior.


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)8583129https://www.gbif.org/species/8583129
PaleoBioDB ID (PBDB)173419https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=173419
Rankspecies
Taxonomy (GBIF)Life : Animalia : Chordata : Reptilia : Crocodylia : Candidodontidae : Pakasuchus : Pakasuchus kapilimai
Taxonomy (PBDB)Life : Animalia : Chordata : Reptilia : Eosuchia : Candidodontidae : Pakasuchus : Pakasuchus kapilimai
Taxonomic Status (GBIF)doubtful
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
-Candidodontidae
genusPakasuchusO'Connor et al. 2010
speciesPakasuchus kapilimaiO'Connor Sertich Stevens Roberts Gottfried Hieronymus Jinnah Ridgely Ngasala & Temba 2010
Generic NamePakasuchus
Scientific NamePakasuchus kapilimai O'Connor, Sertich, Stevens, Roberts, Gottfried, Hieronymus, Jinnah, Ridgely, Ngasala & Temba, 2010
Name Published InO’Connor, Patrick M., Joseph J. W. Sertich, Nancy J. Stevens, Eric M. Roberts, M. D. Gottfried, Tobin L. Hieronymus, Zubair A. Jinnah, R. Ridgely, S. E. Ngasala & J. Temba. 2010. The evolution of mammal-like crocodyliforms in the Cretaceous Period of Gondwana. Nature 466: 748-751.
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Pakasuchus kapilimaispeciesbelongs to Pakasuchusstated with evidenceO'Connor et al., 2010
Pakasuchus kapilimaispeciesbelongs to Pakasuchusstated without evidenceBronzati et al., 2012
Pakasuchus kapilimaispeciesbelongs to Pakasuchusstated with evidenceSertich and O'Connor, 2014
Status (PBDB)extinct
Taxon Size (PBDB)1
First Recorded Appearance101 - 72 Ma
Late/Upper Cretaceous
Last Recorded Appearance101 - 72 Ma
Late/Upper Cretaceous
Environmentterrestrial (based on Pakasuchus)
Motilityactively mobile (based on Osteichthyes)
Dietcarnivore (based on Pakasuchus)
Taphonomyphosphatic (based on Vertebrata)
Primary Reference (PBDB)P. M. O'Connor, J. J. W. Sertich, and N. J. Stevens, E. M. Roberts, M. D. Gottfried, T. L. Hieronymus, Z. A. Jinnah, R. Ridgely, S. E. Ngasala, J. Temba. 2010. The evolution of mammal-like crocodyliforms in the Cretaceous Period of Gondwana. Nature 466:748-751
Wikipediahttps://en.wikipedia.org/wiki/Pakasuchus_kapilimai

Fossil Distribution

Synonymy List

YearName and Author
2010Pakasuchus kapilimai O'Connor et al. p. 748
2012Pakasuchus kapilimai Bronzati et al.
2014Pakasuchus kapilimai Sertich and O'Connor

References

O'Connor P. M., Sertich J. J. W., et al (2010) The evolution of mammal-like crocodyliforms in the Cretaceous Period of Gondwana, Nature 466, 748-751 doi:10.1038/nature09061
Bronzati M., Montefeltro F. C., et al (2012) A species-level supertree of Crocodyliformes, Historical Biology 24 6, 598-606
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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