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Palaeosaniwa canadensis

Description

Palaeosaniwa canadensis is an extinct species of carnivorous lizard from the late Cretaceous of North America. The name, given by Charles Whitney Gilmore in 1928, means "ancient Saniwa from Canada".


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)4968252https://www.gbif.org/species/4968252
PaleoBioDB ID (PBDB)63234https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=63234
Rankspecies
Taxonomy (GBIF)Life : Animalia : Chordata : Reptilia : Squamata : Varanidae : Palaeosaniwa : Palaeosaniwa canadensis
Taxonomy (PBDB)Life : Animalia : Chordata : Reptilia : Squamata : Palaeosaniwa : Palaeosaniwa canadensis
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
-Lepidosauromorpha
superorderLepidosauria
orderSquamataOppel 1811
-EpisquamataPyron et al. 2013
-ToxicoferaVidal and Hedges 2005
suborderAnguimorphaFürbringer 1900
-MonstersauriaNorell and Gao 1997
genusPalaeosaniwaGilmore 1928
speciesPalaeosaniwa canadensisGilmore 1928
Generic NamePalaeosaniwa
Scientific NamePalaeosaniwa canadensis Gilmore, 1928
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Palaeosaniwa canadensisspeciesbelongs to Palaeosaniwastated without evidenceGilmore, 1928
Palaeosaniwa canadensisspeciesbelongs to Palaeosaniwastated with evidenceEstes, 1964
Palaeosaniwa canadensisspeciesbelongs to PalaeosaniwaimpliedBryant, 1989
Palaeosaniwa canadensisspeciesbelongs to Palaeosaniwastated with evidenceGao and Fox, 1996
Palaeosaniwa canadensisspeciesbelongs to Palaeosaniwastated without evidencePeng et al., 2001
Status (PBDB)extinct
Taxon Size (PBDB)1
First Recorded Appearance83.6 - 72.1 Ma
Late/Upper Cretaceous
Last Recorded Appearance70.6 - 66.0 Ma
Late/Upper Cretaceous
Environmentterrestrial (based on Diapsida)
Motilityactively mobile (based on Osteichthyes)
Taphonomyphosphatic (based on Vertebrata)
Primary Reference (PBDB)C. W. Gilmore. 1928. Fossil lizards of North America. Memoirs of the National Academy of Sciences 22(3):1-201
Wikipediahttps://en.wikipedia.org/wiki/Palaeosaniwa_canadensis

Fossil Distribution

Obsolete Names

NameSourceTaxon RankTaxonomy
Megasaurus robustus Gilmore, 1928GBIFspeciesAnimalia : Chordata : Reptilia : Squamata : Varanidae : Palaeosaniwa : Megasaurus robustus

Synonymy List

YearName and Author
1928Palaeosaniwa canadensis Gilmore p. 84
1928Megasaurus robustus Gilmore p. 157 figs. Pl. 27:1
1964Palaeosaniwa canadensis Estes p. 135
1983Palaeosaniwa canadensis Estes pp. 183-184 figs. 48e-f
1989Palaeosaniwa canadensis Bryant p. 48
1996Palaeosaniwa canadensis Gao and Fox p. 90
2001Palaeosaniwa canadensis Peng et al. p. 31

References

Gilmore C. W. (1928) Fossil lizards of North America, Memoirs of the National Academy of Sciences 22 3, 1-201
Estes R. (1964) Fossil vertebrates from the Late Cretaceous Lance Formation, eastern Wyoming, University of California Publications in Geological Sciences 49, 1-187
Estes R. (1983) Sauria terrestria, Amphisbaenia, Handbuch der Paläoherpetologie 10A, 1-249
Bryant L. J. (1989) Non-dinosaurian lower vertebrates across the Cretaceous-Tertiary boundary in northeastern Montana, University of California Publications in Geological Sciences 134, 1-107
Gao K. -Q., Fox R. C. (1996) Taxonomy and evolution of Late Cretaceous lizards (Reptilia: Squamata) from western Canada, Bulletin of the Carnegie Museum of natural History 33, 1-107
Peng J., Russell A. P., et al (2001) Vertebrate microsite assemblages (exclusive of mammals) from the Foremost and Oldman Formations of the Judith River Group (Campanian) of southeastern Alberta: an illustrated guide, Provincial Museum of Alberta, Natural History Occasional Paper 25, 1-54
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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