†unranked clade Proterochampsinae Müller 2025 (archosauromorph)
Reptilia - Diapsida - Proterochampsidae
Full reference: R. Müller. 2025. A new proterochampsid archosauriform from the Middle‑Late Triassic of Southern Brazil. Acta Palaeontologica Polonica 70(2718)
Parent taxon: Proterochampsidae according to R. Müller 2025
Sister taxa: Cerritosaurus, Rhadinosuchinae, Stenoscelida, Tropidosuchus
Subtaxa: Proterochampsa Retymaijychampsa Sphodrosaurus
Ecology:
Distribution:
• Triassic of Argentina (3 collections), Brazil (2), United States (1: Pennsylvania)
Total: 6 collections each including a single occurrence