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Caseosaurus

Description

Caseosaurus (KAY-zee-o-SAWR-əs) is a dubious genus of herrerasaurid theropod dinosaur that lived approximately 235 to 228 million years ago during the latter part of the Triassic Period in what is now Texas, in North America. Caseosaurus was a small, lightly-built, bipedal, ground-dwelling carnivore, that could grow up to 2 m (6.6 ft) long.


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)4577031https://www.gbif.org/species/4577031
PaleoBioDB ID (PBDB)66660https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=66660
Rankgenus
Taxonomy (GBIF)Life : Animalia : Chordata : Reptilia : Dinosauria : Herrerasauridae : Caseosaurus
Taxonomy (PBDB)Life : Animalia : Chordata : Saurischia : Herrerasauridae : Caseosaurus
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
informalAvemetatarsaliaBenton 1999
-OrnithodiraGauthier 1986
-DinosauromorphaBenton 1985
-DinosauriformesNovas 1992
-Dinosauria
-Saurischia
-Theropoda
familyHerrerasauridaeBenedetto 1973
genusCaseosaurusHunt Lucas Heckert Sullivan & Lockley 1998
Scientific NameCaseosaurus Hunt, Lucas, Heckert, Sullivan & Lockley, 1998
Name Published InGeobios (Lyon) 31 (4)
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Caseosaurusgenusbelongs to Herrerasauridaestated with evidenceHunt et al., 1998
Caseosaurusgenussubjective synonym of Chindesaurusstated without evidenceLanger, 2004
Caseosaurusgenusbelongs to Dinosauriformesstated without evidenceNesbitt et al., 2007
Status (PBDB)extinct
Taxon Size (PBDB)2
First Recorded Appearance237 - 212 Ma
Late/Upper Triassic
Last Recorded Appearance222 - 209 Ma
Late/Upper Triassic
Environmentterrestrial (based on Theropoda)
Motilityactively mobile (based on Theropoda)
Dietcarnivore (based on Theropoda)
Reproductionoviparous, dispersal=direct/internal,mobile (based on Theropoda)
Ontogenyaccretion,modification of parts (based on Theropoda)
Taphonomyhydroxylapatite,compact or dense (based on Theropoda)
Primary Reference (PBDB)A. P. Hunt, S. G. Lucas, and A. B. Heckert, R. M. Sullivan, M. G. Lockley. 1998. Late Triassic dinosaurs from the western United States. Géobios 31(4):511-531
Wikipediahttps://en.wikipedia.org/wiki/Caseosaurus

Fossil Distribution

Subtaxa

NameStatusCommon Name(s)Fossil OccurrencesOldestYoungest
Caseosaurus crosbyensis
species
accepted (GBIF)
listed (PBDB)
1237 Ma
Middle Triassic
237 Ma
Middle Triassic

Synonymy List

YearName and Author
1998Caseosaurus Hunt et al. p. 530 fig. 3
2007Caseosaurus Nesbitt et al. pp. 225-226

References

Hunt A. P., Lucas S. G., et al (1998) Late Triassic dinosaurs from the western United States, Géobios 31 4, 511-531
Nesbitt S. J., Irmis R. B., et al (2007) A critical re-evaluation of the Late Triassic dinosaur taxa of North America, Journal of Systematic Palaeontology 5 2, 209-243
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
Geobios (Lyon) 31 (4) - 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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