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Wannchampsus

Description

Wannchampsus ("Wann Langston, Jr.'s crocodile") is an extinct genus of paralligatorid neosuchian, close to but not a true crocodilian. It is known from fossils discovered in Lower Cretaceous rocks in north-central Texas, United States.


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)8592438https://www.gbif.org/species/8592438
PaleoBioDB ID (PBDB)305396https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=305396
Rankgenus
Taxonomy (GBIF)Life : Animalia : Chordata : Reptilia : Crocodylia : Paralligatoridae : Wannchampsus
Taxonomy (PBDB)Life : Animalia : Chordata : Reptilia : Eosuchia : Paralligatoridae : Wannchampsus
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
familyParalligatoridaeKonjukova 1954
genusWannchampsusAdams 2014
Scientific NameWannchampsus Adams, 2014
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Wannchampsusgenusbelongs to Paralligatoridaestated with evidenceAdams, 2014
Status (PBDB)extinct
Taxon Size (PBDB)2
First Recorded Appearance125 - 113 Ma
Early/Lower Cretaceous
Last Recorded Appearance113 - 101 Ma
Early/Lower Cretaceous
Environmentmarine (based on Mesoeucrocodylia)
Motilityactively mobile (based on Osteichthyes)
Dietcarnivore (based on Pseudosuchia)
Taphonomyphosphatic (based on Vertebrata)
Primary Reference (PBDB)T. L. Adams. 2014. Small crocodyliform from the Lower Cretaceous (late Aptian) of central Texas and its systematic relationship to the evolution of Eusuchia. Journal of Paleontology 88(5):1031-1049
Wikipediahttps://en.wikipedia.org/wiki/Wannchampsus

Fossil Distribution

Subtaxa

NameStatusCommon Name(s)Fossil OccurrencesOldestYoungest
Wannchampsus kirpachi
species
accepted (GBIF)
listed (PBDB)
1125 Ma
Early/Lower Cretaceous
125 Ma
Early/Lower Cretaceous

Synonymy List

YearName and Author
2014Wannchampsus Adams
2015Wannchampsus Turner
2016Wannchampsus Tennant et al.
2019Wannchampsus Noto et al.

References

Adams T. L. (2014) Small crocodyliform from the Lower Cretaceous (late Aptian) of central Texas and its systematic relationship to the evolution of Eusuchia, Journal of Paleontology 88 5, 1031-1049 doi:10.1666/12-089
Turner A. H. (2015) A Review of Shamosuchus and Paralligator (Crocodyliformes, Neosuchia) from the Cretaceous of Asia, PLoS One 10 2, e0118116 doi:10.1371/journal.pone.0118116
Tennant J. P., Mannion P. D., et al (2016) Evolutionary relationships and systematics of Atoposauridae (Crocodylomorpha: Neosuchia): implications for the rise of Eusuchia, Zoological Journal of the Linnean Society 177, 854-936
Noto C. R., Drumheller S. K., et al (2019) An Enigmatic Small Neosuchian Crocodyliform from the Woodbine Formation of Texas, The Anatomical Record, 1-12 doi:10.1002/ar.24174
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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