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Hamadasuchus

Description

Hamadasuchus is an extinct genus of sebecian crocodylomorph. Fossils have been found from the Kem Kem Formation outcropping in southeastern Morocco. These beds date back to the Albian and Cenomanian stages of the Late Cretaceous. It was first assigned to the family Trematochampsidae. Diagnostic features of the genus include its lateromedially compressed and serrated teeth. It was deep-snouted and had a slightly heterodont dentition with three distinct tooth morphologies present from sections of the lower jaw.


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)4822122https://www.gbif.org/species/4822122
PaleoBioDB ID (PBDB)193966https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=193966
Rankgenus
Taxonomy (GBIF)Life : Animalia : Chordata : Reptilia : Crocodylia : Peirosauridae : Hamadasuchus
Taxonomy (PBDB)Life : Animalia : Chordata : Reptilia : Eosuchia : Peirosauridae : Hamadasuchus
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
subfamilyPeirosaurinaeGeroto and Bertini 2019
genusHamadasuchusBuffetaut 1994
Scientific NameHamadasuchus Buffetaut, 1994
Name Published InC R Acad Sci Ser II A Sci Terre Planetes 319 (12), 15 Decembre:
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Hamadasuchusgenusbelongs to Trematochampsidaestated with evidenceBuffetaut, 1994
Hamadasuchusgenusbelongs to Sebeciastated with evidenceLarsson and Sues, 2007
Hamadasuchusgenusbelongs to Peirosauridaestated with evidenceTurner and Sertich, 2010
Hamadasuchusgenusbelongs to Peirosauridaestated without evidenceLio et al., 2016
Hamadasuchusgenusbelongs to Peirosaurinaestated with evidenceGeroto and Bertini, 2019
Status (PBDB)extinct
Taxon Size (PBDB)2
First Recorded Appearance113 - 101 Ma
Early/Lower Cretaceous
Last Recorded Appearance105 - 94 Ma
Cretaceous
Environmentmarine (based on Mesoeucrocodylia)
Motilityactively mobile (based on Osteichthyes)
Dietcarnivore (based on Pseudosuchia)
Taphonomyphosphatic (based on Vertebrata)
Primary Reference (PBDB)E. Buffetaut. 1994. A new crocodilian from the Cretaceous of southern Morocco. Comptes Rendus de l'Academie des Sciences. Serie II 319(12):1563-1568
Wikipediahttps://en.wikipedia.org/wiki/Hamadasuchus

External Images

Fossil Distribution

Subtaxa

NameStatusCommon Name(s)Fossil OccurrencesOldestYoungest
Hamadasuchus rebouli
species
accepted (GBIF)
listed (PBDB)
3113 Ma
Early/Lower Cretaceous
105 Ma
Early/Lower Cretaceous

Synonymy List

YearName and Author
1994Hamadasuchus Buffetaut
2007Hamadasuchus Larsson and Sues
2010Hamadasuchus Turner and Sertich
2012Hamadasuchus Bronzati et al.
2012Hamadasuchus Pol et al.
2014Hamadasuchus Pol et al.
2014Hamadasuchus Sertich and O'Connor
2016Hamadasuchus Barrios et al.
2016Hamadasuchus Lio et al.
2019Hamadasuchus Geroto and Bertini

References

Buffetaut E. (1994) A new crocodilian from the Cretaceous of southern Morocco, Comptes Rendus de l'Academie des Sciences. Serie II 319 12, 1563-1568
Larsson H. C. E., Sues H.-D. (2007) Cranial osteology and phylogenetic relationships of Hamadasuchus rebouli (Crocodyliformes: Mesoeucrocodylia) from the Cretaceous of Morocco, Zoological Journal of the Linnean Society 149, 533-567
Turner A. H., Sertich J. J. W. (2010) Phylogenetic history of Simosuchus clarki (Crocodyliformes: Notosuchia) from the Late Cretaceous of Madagascar, Society of Vertebrate Paleontology Memoir 10, Journal of Vertebrate Paleontology 30 Sup1, 177-236
Bronzati M., Montefeltro F. C., et al (2012) A species-level supertree of Crocodyliformes, Historical Biology 24 6, 598-606
Pol D., Leardi J. M., et al (2012) Postcranial anatomy of Sebecus icaeorhinus (Crocodyliformes, Sebecidae) from the Eocene of Patagonia, Journal of Vertebrate Paleontology 32 2, 328-354
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
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
Barrios F., Paulina-Carabajal A., et al (2016) A new peirosaurid (Crocodyliformes, Mesoeucrocodylia) from the Upper Cretaceous of Patagonia, Argentina, Ameghiniana 53 1, 14-25
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
Geroto C. F. C., Bertini R. J. (2019) New material of Pepesuchus (Crocodyliformes; Mesoeucrocodylia) from the Bauru Group: implications about its phylogeny and the age of the Adamantina Formation, Zoological Journal of the Linnean Society 185 2, 312-334 doi:10.1093/zoolinnean/zly037/5047416
Nomenclator Zoologicus. A list of the names of genera and subgenera in zoology from the tenth edition of Linnaeus, 1758 to the end of 2004. Digitised by uBio from vols. 1-9 of Neave (ed.), 1939-1996 plus supplementary digital-only volume. http://ubio.org/NomenclatorZoologicus (as at 2006). - via The Interim Register of Marine and Nonmarine Genera
C R Acad Sci Ser II A Sci Terre Planetes 319 (12), 15 Decembre: - via The Interim Register of Marine and Nonmarine Genera
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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