Bystrowianidae

Bystrowianidae Temporal range: Late Permian - Middle Triassic
Life restoration of Bystrowiana permira
Scientific 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]

Chroniosuchia Madygenerpeton Chroniosaurus dongusensis Chroniosaurus levis Suchonica Jarilinus Chroniosuchus Uralerpeton Bystrowianidae Synesuchus Bystrowiella Bystrowiana Axitectum Dromotectum

Chroniosuchidae

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

Bystrowianidae	Dromotectinae Axitectinae Bystrowianinae Bystrowiella Synesuchus Vyushkoviana Bystrowiana

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.