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Youngina capensis

Description

Youngina is an extinct genus of diapsid reptile from the Late Permian Beaufort Group (Tropidostoma-Dicynodon zones) of the Karoo Red Beds of South Africa. This, and a few related forms, make up the family Younginidae, within the Order Eosuchia (proposed by Broom in 1914). Eosuchia, having become a wastebasket taxon for many probably distantly-related primitive diapsid reptiles ranging from the Late Carboniferous to the Eocene, Romer proposed that it be replaced by Younginiformes (that included Younginidae and the Tangasauridae, ranging from the Permian to the Triassic).


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)4968484https://www.gbif.org/species/4968484
PaleoBioDB ID (PBDB)77037https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=77037
Rankspecies
Taxonomy (GBIF)Life : Animalia : Chordata : Reptilia : Younginidae : Youngina : Youngina capensis
Taxonomy (PBDB)Life : Animalia : Chordata : Reptilia : Eosuchia : Youngina : Youngina capensis
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
genusYounginaBroom 1914
speciesYoungina capensisBroom 1914
Generic NameYoungina
Scientific NameYoungina capensis Broom, 1914
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Youngina capensisspeciesbelongs to Younginastated with evidenceBroom, 1914
Status (PBDB)extinct
Taxon Size (PBDB)1
First Recorded Appearance260 - 254 Ma
Permian
Last Recorded Appearance260 - 252 Ma
Permian
Environmentterrestrial (based on Diapsida)
Motilityactively mobile (based on Osteichthyes)
Taphonomyphosphatic (based on Vertebrata)
Primary Reference (PBDB)R. Broom. 1914. A new Thecodont Reptile. Proceedings of the Zoological Society of London 1914:1072-1077
Wikipediahttps://en.wikipedia.org/wiki/Youngina_capensis

Fossil Distribution

Obsolete Names

NameSourceTaxon RankTaxonomy
Youngoides minor Broom & Robinson, 1948GBIFspeciesAnimalia : Chordata : Reptilia : Younginidae : Youngina : Youngoides minor
Youngopsis rubidgei Broom & Robinson, 1948GBIFspeciesAnimalia : Chordata : Reptilia : Younginidae : Youngina : Youngopsis rubidgei
Youngoides romeri Olson & Broom, 1937GBIFspeciesAnimalia : Chordata : Reptilia : Younginidae : Youngina : Youngoides romeri
Acanthotoposaurus bremneri Evans & van den Heever, 1987GBIFspeciesAnimalia : Chordata : Reptilia : Younginidae : Youngina : Acanthotoposaurus bremneri
Youngopsis kitchingi Broom, 1937GBIFspeciesAnimalia : Chordata : Reptilia : Younginidae : Youngina : Youngopsis kitchingi
Youngina gracilis Broom, 1914GBIFspeciesAnimalia : Chordata : Reptilia : Younginidae : Youngina : Youngina gracilis

Synonymy List

YearName and Author
1914Youngina capensis Broom pp. 1072, 1075 figs. 1, 2
1915Youngina gracilis Broom p. 161
1924Youngina capensis Broom p. 67 figs. 1-3
1936Youngina capensis Olson p. 523 fig. 1
1937Youngopsis kitchingi Broom p. 317
1937Youngoides romeri Olson and Broom p. 614 fig. 3
YearName and Author
1948Youngoides minor Broom and Robinson p. 393
1948Youngopsis rubidgei Broom and Robinson p. 393
1975Youngina capensis Gow
1987Acanthotoposaurus bremneri Evans and van den Heever p. 724 figs. 1-6
2000Youngina capensis Reisz et al. pp. 4454, 445 fig. 1

References

Broom R. (1914) A new Thecodont Reptile, Proceedings of the Zoological Society of London 1914, 1072-1077
Broom R. (1915) Catalogue of types and figured specimens of fossil vertebrates in the American Museum of Natural History. II.–Permian, Triassic and Jurassic reptiles of South Africa, Bulletin of the American Museum of Natural History 25 2, 105-164
Broom R. (1924) Further evidence on the structure of the Eosuchia, Bulletin of the American Museum of Natural History 51, 67-76
Olson E. C. (1936) Notes on the Skull of Youngina capensis Broom, Journal of Geology 44 4, 523-533
Broom R. (1937) A further contribution to our knowledge of the fossil reptiles of the Karroo, Proceedings of the Zoological Society of London 107 3, 299-318
Olson E. C., Broom R. (1937) New genera and species of tetrapods from the Karroo Beds of South Africa, Journal of Paleontology 11 7, 613-619
Broom R., Robinson J. T. (1948) Some new fossil reptiles from the Karoo Beds of South Africa, Proceedings of the Zoological Society of London 118, 392-407
Gow C. E. (1975) The morphology and relationships of Youngina capensis Broom and Prolacerta broomi Parrington, Palaeontologia africana 18, 89-131
Evans S. E., van den Heever J. A. (1987) A new reptile (Reptilia: Diapsida) from the Upper Permian Daptocephalus zone of South Africa, South African Journal of Science 83, 724-730
Reisz R. R., Modesto S. P., et al (2000) Acanthotoposaurus bremneri and the origin of the Triassic archosauromorph reptila fauna of South Africa, South African Journal of Science 96, 443-445
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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