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Angelosaurus âśť

Description

Angelosaurus ('Angel lizard', Olson & Berrbower 1953) was a pelycosaur (an extinct clade) of reptile. The type species, Angelosaurus dolani is known from a partial skull from the Middle San Angelo Formation, Knox County, Texas, USA dating from the Kungurian (Early Permian). The specimen represented an individual that was from three to three and a half metres long and weighed about 300 kilograms. It belongs to the family Caseidae. Like its contemporary, another caseid, Cotylorhynchus, it was large, heavily built, and herbivorous. It also shared its environment with the caseids Caseoides and Caseopsis. It may have been preyed upon by the large sphenacodont pelycosaur Dimetrodon.


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)4819470https://www.gbif.org/species/4819470
PaleoBioDB ID (PBDB)38914https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=38914
Rankgenus
Taxonomy (GBIF)Life : Animalia : Chordata : Reptilia : Caseidae : Angelosaurus
Taxonomy (PBDB)Life : Animalia : Chordata : Osteichthyes : Cotylosauria : Caseidae : Angelosaurus
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
-SynapsidaOsborn 1903
-Caseasauria
familyCaseidaeWilliston 1911
genusAngelosaurusOlson & Beerbower 1953
Scientific NameAngelosaurus Olson & Beerbower, 1953
Name Published InOlson, Everett C. & James R. Beerbower. 1953. The San Angelo Formation, Permian of Texas, and its vertebrates. The Journal of Geology 61(5): 389–423.
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Angelosaurusgenusbelongs to Caseidaestated without evidenceOlson and Beerbower, 1953
Angelosaurusgenusbelongs to Caseidaestated with evidenceOlson and Barghusen, 1962
Angelosaurusgenusbelongs to Caseidaestated without evidenceOlson, 1962
Angelosaurusgenusbelongs to CaseidaeimpliedCarroll, 1988
Angelosaurusgenusbelongs to Caseidaestated with evidenceMaddin et al., 2008
Status (PBDB)extinct
Taxon Size (PBDB)4
First Recorded Appearance279 - 269 Ma
Permian
Last Recorded Appearance272 - 265 Ma
Permian
Environmentterrestrial (based on Amniota)
Motilityactively mobile (based on Osteichthyes)
Taphonomyphosphatic (based on Vertebrata)
Primary Reference (PBDB)E. C. Olson and J. R. Beerbower. 1953. The San Angelo Formation, Permian of Texas, and its Vertebrates. Journal of Geology 61(5):389-423
Wikipediahttps://en.wikipedia.org/wiki/Angelosaurus

Fossil Distribution

Subtaxa

NameStatusCommon Name(s)Fossil OccurrencesOldestYoungest
Angelosaurus dolani âśť
species
doubtful (GBIF)
listed (PBDB)
1279 Ma
Permian
279 Ma
Permian
Angelosaurus greeni âśť
species
accepted (GBIF)
listed (PBDB)
2279 Ma
Permian
279 Ma
Permian
Angelosaurus romeri âśť
species
accepted (GBIF)
listed (PBDB)
2272 Ma
Permian
272 Ma
Permian

Synonymy List

YearName and Author
1953Angelosaurus Olson and Beerbower p. 401
1962Angelosaurus Olson p. 24
1962Angelosaurus Olson and Barghusen p. 32
1986Angelosaurus Reisz
1988Angelosaurus Carroll
2008Angelosaurus Maddin et al. p. 172 fig. 9

References

Olson E. C., Beerbower J. R. (1953) The San Angelo Formation, Permian of Texas, and its Vertebrates, Journal of Geology 61 5, 389-423
Olson E. C. (1962) Late Permian terrestrial vertebrates, U.S.A. and U.S.S.R, Transactions of the American Philosophical Society, New Series 52 2, 1-224
Olson E. C., Barghusen H. (1962) Permian vertebrates from Oklahoma and Texas. Part I.—Vertebrates from the Flowerpot Formation, Permian of Oklahoma, Oklahoma Geological Survey, Circular 59, 5-48
Reisz R. R. (1986) Pelycosauria, Handbuch der Paläoherpetologie / Encyclopedia of Paleoherpetology 17A, 1-102
Carroll R. L. (1988) , Vertebrate Paleontology and Evolution, 1-698
Maddin H. C., Sidor C. A., et al (2008) Cranial Anatomy of Ennatosaurus tecton (Synapsida: Caseidae) from the Middle Permian of Russia and the Evolutionary Relationships of Caseidae, Journal of Vertebrate Paleontology 28 1, 160-180
GBIF/Paleo Database - via The Interim Register of Marine and Nonmarine Genera
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
as per family - via The Interim Register of Marine and Nonmarine Genera
J. Geol., 61, (5) - 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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