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Shastasaurus alexandrae

Description

Shastasaurus ("Mt. Shasta lizard") is an extinct genus of ichthyosaur from the middle and late Triassic, and is the largest known marine reptile. Specimens have been found in the United States, Canada, and China.


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)8454490https://www.gbif.org/species/8454490
PaleoBioDB ID (PBDB)149928https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=149928
Rankspecies
Taxonomy (GBIF)Life : Animalia : Chordata : Reptilia : Shastasauridae : Shastasaurus : Shastasaurus alexandrae
Taxonomy (PBDB)Life : Animalia : Chordata : Reptilia : Ichthyosauria : Shastasauridae : Shastasaurus : Shastasaurus alexandrae
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
-IchthyosauromorphaMotani et al. 2015
-IchthyosauriformesMotani et al. 2015
-Ichthyopterygia
-EoichthyosauriaMotani 1999
-Ichthyosauria
-HueneosauriaMaisch and Matzke 2000
-MerriamosauriaMotani 1999
familyShastasauridaeMerriam 1902
genusShastasaurusMerriam 1895
speciesShastasaurus alexandraeMerriam 1902
Generic NameShastasaurus
Scientific NameShastasaurus alexandrae Merriam, 1902
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Shastasaurus alexandraespeciesbelongs to Shastasaurusstated with evidenceMerriam, 1902
Shastasaurus alexandraespeciesbelongs to Shastasaurusstated without evidenceMerriam, 1908
Shastasaurus alexandraespeciessubjective synonym of Shastasaurus pacificusstated with evidenceMcgowan, 1994
Shastasaurus alexandraespeciesbelongs to Shastasaurusstated with evidenceMaisch and Matzke, 2000
Status (PBDB)extinct
Taxon Size (PBDB)1
First Recorded Appearance252 - 201 Ma
Phanerozoic
Last Recorded Appearance252 - 201 Ma
Phanerozoic
Environmentmarine (based on Ichthyosauria)
Motilityactively mobile (based on Ichthyosauria)
Dietcarnivore (based on Ichthyosauria)
Reproductionviviparous (based on Ichthyosauria)
Taphonomyhydroxylapatite (based on Ichthyosauria)
Primary Reference (PBDB)J. C. Merriam. 1902. Triassic Ichthyopterygia from California and Nevada. University of California Publications Bulletin of the Department of Geology 3(4):63-108
Wikipediahttps://en.wikipedia.org/wiki/Shastasaurus_alexandrae

Fossil Distribution

Synonymy List

YearName and Author
1902Shastasaurus alexandrae Merriam p. 96 figs. Plates 12 and 13
1908Shastasaurus alexandrae Merriam p. 142
2000Shastasaurus alexandrae Maisch and Matzke p. 97
2010Shastasaurus alexandrae Maisch

References

Merriam J. C. (1902) Triassic Ichthyopterygia from California and Nevada, University of California Publications Bulletin of the Department of Geology 3 4, 63-108
Merriam J. C. (1908) Triassic Ichthyosauria, Memoirs of the University of California 1 1, 1-155
Maisch M. W., Matzke A. T. (2000) The Ichthyosauria, Stuttgarter Beitrage zur Naturkunde, Serie B (Geologie und Palaontologie) 298, 1-159
Maisch M. W. (2010) Phylogeny, systematics, and origin of the Ichthyosauria - the state of the art, Palaeodiversity 3, 151-214
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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