Bystrowianidae

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

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

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