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Albertochampsa

Description

Albertochampsa is an extinct genus of globidontan alligatoroid (possibly a stem-caiman) from the Late Cretaceous of Alberta. It was named in 1972 by Bruce Erickson, and the type species is A. langstoni. It is known from a skull from the Campanian-age Dinosaur Park Formation, where it was rare; Leidyosuchus is the most commonly found crocodilian at the Park. The skull of Albertochampsa was only about 21 centimeters long (8.3 in).


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)4822159https://www.gbif.org/species/4822159
PaleoBioDB ID (PBDB)173377https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=173377
Rankgenus
Taxonomy (GBIF)Life : Animalia : Chordata : Reptilia : Crocodylia : Albertochampsa
Taxonomy (PBDB)Life : Animalia : Chordata : Reptilia : Crocodylia : Alligatoridae : Albertochampsa
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
-BrevirostresCuvier
superfamilyAlligatoroideaGray 1844
-GlobidontaBrochu 1999
familyAlligatoridaeGray 1844
-CaimaninaeBrochu 1999
genusAlbertochampsaErickson 1972
Scientific NameAlbertochampsa Erickson, 1972
Name Published InScient. Publs Sci. Mus. St. Paul (N. S.) 2 (1)
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Albertochampsagenusbelongs to Alligatorinaestated with evidenceErickson, 1972
Albertochampsagenusbelongs to Alligatoroideastated with evidenceWilliamson, 1996
Albertochampsagenusbelongs to Alligatoroideastated without evidenceWu, 2005
Albertochampsagenusbelongs to Globidontastated with evidenceMartin, 2007
Albertochampsagenusbelongs to Alligatoroideastated with evidencePuértolas et al., 2011
Albertochampsagenusbelongs to Caimaninaestated with evidenceBona et al., 2018
Status (PBDB)extinct
Taxon Size (PBDB)2
First Recorded Appearance83.5 - 70.6 Ma
Late/Upper Cretaceous
Last Recorded Appearance83.5 - 70.6 Ma
Late/Upper Cretaceous
Environmentmarine (based on Mesoeucrocodylia)
Motilityactively mobile (based on Osteichthyes)
Dietcarnivore (based on Crocodylia)
Taphonomyphosphatic (based on Vertebrata)
Primary Reference (PBDB)B. R. Erickson. 1972. Albertochampsa langstoni, gen. et sp. nov. A new Alligator from the Cretaceous of Alberta. Scientific publications of the Science Museum of Minnesota, New Series 2(1-3):1-13
Wikipediahttps://en.wikipedia.org/wiki/Albertochampsa

Fossil Distribution

Subtaxa

NameStatusCommon Name(s)Fossil OccurrencesOldestYoungest
Albertochampsa langstoni
species
accepted (GBIF)
listed (PBDB)
183.5 Ma
Late/Upper Cretaceous
83.5 Ma
Late/Upper Cretaceous

Synonymy List

YearName and Author
1972Albertochampsa Erickson
1996Albertochampsa Williamson p. 426
1996Albertochampsa Wu et al.
2005Albertochampsa Wu
2007Albertochampsa Martin
2011Albertochampsa Puértolas et al.
2018Albertochampsa Bona et al.

References

Erickson B. R. (1972) Albertochampsa langstoni, gen. et sp. nov. A new Alligator from the Cretaceous of Alberta, Scientific publications of the Science Museum of Minnesota, New Series 2 1-3, 1-13
Williamson T. E. (1996) ?Brachychampsa sealeyi, sp. nov., (Crocodylia, Alligatoroidea) from the Upper Cretaceous (lower Campanian) Menefee Formation, northwestern New Mexico
Wu X.-C., Brinkman D. B., et al (1996) A new alligator from the Upper Cretaceous of Canada and the relationships of early eusuchians, Palaeontology 39 2, 351-375
Wu X.-C. (2005) Crocodylians, Dinosaur Provincial Park: A Spectacular Ancient Ecosystem Revealed, 277-291
Martin J. E. (2007) New material of the Late Cretaceous globidontan Acynodon iberoccitanus (Crocodylia) from southern France, Journal of Vertebrate Paleontology 27 2, 362-372
Puértolas E., Canudo J. I., et al (2011) A new crocodylian from the late Maastrichtian of Spain: Implications for the initial radiation of crocodyloids, PLoS One 6 6, e20011:1-12 doi:10.1371/journal.pone.0020011
Bona P., Ezcurra M. D., et al (2018) A new Palaeocene crocodylian from southern Argentina sheds light on the early history of caimanines, Proceedings of the Royal Society B 285, 20180843:1-6
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
Scient. Publs Sci. Mus. St. Paul (N. S.) 2 (1) - via The Interim Register of Marine and Nonmarine Genera
original work (title/other) - 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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