Bystrowianidae

Extinct family of tetrapodomorphs

Bystrowianidae
Temporal range: Late Permian - Middle Triassic
Life restoration of Bystrowiana permira
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Order: Chroniosuchia
Family: Bystrowianidae
Vyushkov, 1957
Subgroups
  • Axitectum
  • Bystrowiella
  • Bystrowiana
  • Dromotectum
  • Hassiacoscutum
  • Jiyuanitectum
  • Synesuchus

Bystrowianidae is a family of chroniosuchian tetrapods from the Permian and Triassic periods.[1]

Phylogeny

Below is the cladogram from Buchwitz et al. (2012) showing the phylogenetic relations of bystrowianids:[2]

Cladogram from Novikov (2018) showing internal relationships of bystrowianids based on differences in their osteoderms:[3]

Bystrowianidae

Dromotectinae

Axitectinae

Bystrowianinae

References

  1. ^ Florian Witzmann; Rainer R. Schoch & Michael W. Maisch (2008). "A relict basal tetrapod from Germany: first evidence of a Triassic chroniosuchian outside Russia" (PDF). Naturwissenschaften. 95 (1): 67–72. Bibcode:2008NW.....95...67W. doi:10.1007/s00114-007-0291-6. PMID 17653527. S2CID 8161364.
  2. ^ Buchwitz, M.; Foth, C.; Kogan, I.; Voigt, S. (2012). "On the use of osteoderm features in a phylogenetic approach on the internal relationships of the Chroniosuchia (Tetrapoda: Reptiliomorpha)". Palaeontology. 55 (3): 623–640. Bibcode:2012Palgy..55..623B. doi:10.1111/j.1475-4983.2012.01137.x.
  3. ^ Novikov A.V. (2018). Early Triassic amphibians of Eastern Europe: evolution of dominant groups and peculiarities of changing communities (PDF) (in Russian). Moscow: RAS. p. 162. ISBN 978-5-906906-71-7. Archived (PDF) from the original on 2023-12-08. Retrieved 2024-04-06.
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Reptiliomorpha (Pan‑Amniota)
Tetrapodomorpha
    • see Tetrapodomorpha
Reptiliomorpha
    • see below↓
Chroniosuchia?
Bystrowianidae
Chroniosuchidae
Seymouriamorpha?
"Microsauria"?
Diadectomorpha?
Diadectidae
"Protorothyrididae"
Araeoscelidia
Captorhinidae
Moradisaurinae
Amniota
(crown group)
Synapsida (Pan‑Mammalia)
Sauropsida (Pan‑Reptilia)
Bystrowiana permira

Seymouria baylorensis Westlothiana lizziae Diadectes sideropelicus Petrolacosaurus kansensis

Labidosaurus hamatus
Taxon identifiers
Bystrowianidae


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