Vertebrata - Cotylosauria

Parent taxon: Archosauromorpha according to J. A. Spielmann et al. 2009

Sister taxa: Archosauriformes, Azendohsaurus, Czatkowiella, Drepanosauridae, Mecistotrachelos, Megalancosauridae, Noteosuchus, Prolacerta, Protorosauria, Rhynchosauria, Teraterpetidae, Trilophosauria

Subtaxa: Spinosuchus, Tricuspisaurus, Trilophosaurus, Variodens

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Ecology: