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Argochampsa

Description

Argochampsa (meaning "Argo crocodile", in reference to the mythological Argo of Jason) is an extinct genus of eusuchian crocodylomorph, usually regarded as a gavialoid crocodilian, related to modern gharials. It lived in the Paleocene of Morocco. Described by Hua and Jouve in 2004, the type species is A. krebsi, with the species named for Bernard Krebs. Argochampsa had a long narrow snout, and appears to have been marine in habits.


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)4822155https://www.gbif.org/species/4822155
PaleoBioDB ID (PBDB)96628https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=96628
Rankgenus
Taxonomy (GBIF)Life : Animalia : Chordata : Reptilia : Crocodylia : Argochampsa
Taxonomy (PBDB)Life : Animalia : Chordata : Reptilia : Crocodylia : Argochampsa
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
superfamilyGavialoideaBrochu 1997
genusArgochampsaHua & Jouve 2004
Scientific NameArgochampsa Hua & Jouve, 2004
Name Published InJ Vertebr Paleontol 24 (2), June 11
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Argochampsagenusbelongs to Gavialoideastated with evidenceHua and Jouve, 2004
Status (PBDB)extinct
Taxon Size (PBDB)2
First Recorded Appearance66.0 - 61.6 Ma
Paleocene
Last Recorded Appearance66.0 - 56.0 Ma
Paleocene
Environmentmarine (based on Mesoeucrocodylia)
Motilityactively mobile (based on Osteichthyes)
Dietcarnivore (based on Crocodylia)
Taphonomyphosphatic (based on Vertebrata)
Primary Reference (PBDB)S. Hua and S. Jouve. 2004. A primitive marine gavialoid from the Paleocene of Morocco. Journal of Vertebrate Paleontology 24(2):341-350
Wikipediahttps://en.wikipedia.org/wiki/Argochampsa

Fossil Distribution

Subtaxa

NameStatusCommon Name(s)Fossil OccurrencesOldestYoungest
Argochampsa krebsi
species
accepted (GBIF)
listed (PBDB)
366.0 Ma
Late/Upper Cretaceous
66.0 Ma
Late/Upper Cretaceous

Synonymy List

YearName and Author
2004Argochampsa Hua and Jouve p. 341
2005Argochampsa Delfino et al.
2006Argochampsa Jouve et al.
2007Argochampsa Vélez-Juarbe et al.
2008Argochampsa Jouve et al.
2016Argochampsa Salas-Gismondi et al.

References

Hua S., Jouve S. (2004) A primitive marine gavialoid from the Paleocene of Morocco, Journal of Vertebrate Paleontology 24 2, 341-350
Delfino M., Piras P., et al (2005) Anatomy and phylogeny of the gavialoid crocodylian Eosuchus lerichei from the Paleocene of Europe, Acta Palaeontologica Polonica 50 3, 565-580
Jouve S., Iarochene M., et al (2006) New material of Argochampsa krebsi (Crocodylia: Gavialoidea) from the Lower Paleocene of the Oulad Abdoun Basin (Morocco): phylogenetic implications, Geobios 39, 817-832 doi:10.1016/j.geobios.2005.07.003
Vélez-Juarbe J., Brochu C. A., et al (2007) A gharial from the Oligocene of Puerto Rico: transoceanic dispersal in the history of a non-marine reptile, Proceedings of the Royal Society B 274, 1245-1254
Jouve S., Bardet N., et al (2008) The oldest African crocodylomorph: phylogeny, paleobiogeography, and differential survivorship of marine reptiles through the Cretaceous-Tertiary boundary, Journal of Vertebrate Paleontology 28 2, 409-421
Salas-Gismondi R., Flynn J. J., et al (2016) A New 13 Million Year Old Gavialoid Crocodylian from Proto-Amazonian Mega-Wetlands Reveals Parallel Evolutionary Trends in Skull Shape Linked to Longirostry, PLoS ONE 11 4, e0152453:1-29 doi:10.1371/journal.pone.0152453
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
original work (title/other) - via The Interim Register of Marine and Nonmarine Genera
J Vertebr Paleontol 24 (2), June 11 - 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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