Bystrowiana

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Bystrowiana
Temporal range: Lopingian to Early Triassic
Bystrowiana permira
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Clade: Reptiliomorpha (?)
Order: †Chroniosuchia
Family: †Bystrowianidae
Genus: †Bystrowiana
Vyushkov, 1957
Species
  • †B. permira Vyushkov, 1957 (type)
  • †B. sinica Young, 1979

Bystrowiana is an

reptiliomorphs,[3] but some recent phylogenetic analyses suggest instead that they are stem-tetrapods.[4] The genus is named in honour of the Russian paleontologist Alexey Bystrow. It was first described by Vyushkov in 1957 and the type species is Bystrowiana permira.[1] Two species—B. permira and B. sinica—are known.[5]

Bystrowiana is known from a 30 cm skull, which suggests it was a large animal, up to 2.5 m (8.2 ft) in total body length.[6]

Phylogeny

Bystrowiana in a cladogram after Novikov (2018) showing internal relationships of bystrowianids based on differences in their osteoderms:[7]

Bystrowianidae

References

  1. ^ a b V. K. Golubev (1998). "Narrow-armored Chroniosuchians (Amphibia, Anthracosauromorpha) from the Late Permian of Eastern Europe" (PDF). Paleontological Journal. 32 (3): 278–287.
  2. ^ Young, C.C. (1979). "A new Late Permian fauna from Jiyuan, Honan". Vertebrata PalAsiatica. 17 (2): 99–113.
  3. doi:10.1111/j.1475-4983.2012.01137.x
    .
  4. ISBN 978-0-520-26647-6
    .
  5. S2CID 8161364
    .
  6. ^ [1]
  7. ISBN 978-5-906906-71-7. Archived
    (PDF) from the original on 2023-12-08. Retrieved 2024-04-06.
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