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Coelostegus

Description

Coelostegus is an extinct genus of Late Carboniferous (late Westphalian stage) basal reptile known from Pilsen of Czech Republic. It is known from the holotype ČGH 3027, a partial skeleton of an immature individual. It was collected in the Nýřany site from the Nýřany Member of the Kladno Formation. It was first named by was first named by Robert L. Carroll and Donald Baird in 1972 and the type species is Coelostegus prothales. The most recent phylogenic study of primitive reptile relationships found Coelostegus to be the basalmost known eureptile.


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)4818806https://www.gbif.org/species/4818806
PaleoBioDB ID (PBDB)37491https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=37491
Rankgenus
Taxonomy (GBIF)Life : Animalia : Chordata : Reptilia : Testudines : Protorothyrididae : Coelostegus
Taxonomy (PBDB)Life : Animalia : Chordata : Reptilia : Protorothyrididae : Coelostegus
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
familyProtorothyrididaePrice 1937
genusCoelostegusCarroll & Baird 1972
Scientific NameCoelostegus Carroll & Baird, 1972
Name Published InBull. Mus. comp. Zool. Harv. 143
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Coelostegusgenusbelongs to Romeriidaestated with evidenceCarroll and Baird, 1972
Coelostegusgenusbelongs to ProtorothyrididaeimpliedCarroll, 1988
Status (PBDB)extinct
Taxon Size (PBDB)2
First Recorded Appearance311 - 307 Ma
Carboniferous
Last Recorded Appearance311 - 307 Ma
Carboniferous
Environmentterrestrial (based on Amniota)
Motilityactively mobile (based on Osteichthyes)
Taphonomyphosphatic (based on Vertebrata)
Primary Reference (PBDB)R. L. Carroll and D. Baird. 1972. Carboniferous Stem-Reptiles of the Family Romeriidae. Bulletin of the Museum of Comparative Zoology 143(5):321-363
Wikipediahttps://en.wikipedia.org/wiki/Coelostegus

Fossil Distribution

Subtaxa

NameStatusCommon Name(s)Fossil OccurrencesOldestYoungest
Coelostegus prothales
species
accepted (GBIF)
listed (PBDB)
1311 Ma
Carboniferous
311 Ma
Carboniferous

Synonymy List

YearName and Author
1972Coelostegus Carroll and Baird p. 322
1988Coelostegus Carroll

References

Carroll R. L., Baird D. (1972) Carboniferous Stem-Reptiles of the Family Romeriidae, Bulletin of the Museum of Comparative Zoology 143 5, 321-363
Carroll R. L. (1988) , Vertebrate Paleontology and Evolution, 1-698
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
Bull. Mus. comp. Zool. Harv. 143 - 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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