After Steyer, 2002
†Trematosauroidea Watson, 1919
†Trematosauridae Watson, 1919
†Trematosauroidei Säve-Söderbergh, 1935
†Trematosauria Romer, 1947
†Trematosauroidea Yates & Warren, 2000
†Trematosauroidea Damiani, 2001
†Thoosuchidae
†Benthosuchidae: Thoosuchinae
†Trematosauridae Watson, 1919
including:
†Platystegidae
†Lonchorhynchinae Säve-Söderbergh, 1935
Trematosaurid ‘Group 1’; Cosgriff & Garbutt, 1987
Trematosaurid ‘Group 3’; Hellrung, 1987
†Lonchorhynchinae Welles, 1993
†Lonchorhynchinae Säve-Söderbergh; Steyer, 2002
including:
†Aphaneramminae Hammer, 1987
†Trematosaurinae Watson, 1919
†Trematosaurinae Säve-Söderbergh, 1935
Trematosaurid ‘Group 2’; Cosgriff & Garbutt, 1987
†Trematosaurinae Welles, 1993
†Trematosaurinae Steyer, 2002
including:
†Platystegidae
†Tertreminae Schoch & Milner, 2000
Reference(s):
- Steyer, J.-S., 2002: The first articulated trematosaur ‘amphibian’ from the Lower Triassic of Madagascar: implications for the phylogeny of the group.
–Palaeontology: Vol. 45, #4, pp. 771-793