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Monophyletic taxon:
Order †
Seymouriamorpha
Watson, 1917
(amphibian)
Taxa
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Entity:
Batrachosauria ([unranked])
..[Amniota] (Series)
..[Amniota] (Clade) - amniotes
..Amniota (Clade)
..[†Diadectiamorpha] (Order)
..†Diadectomorpha (Order)
..[†Diadectomorpha]
..†Lepospondyli (Superorder)
..†Seymouriamorpha (Order)
....[†Discosauriscidae] (Family)
....†Karpinskiosauridae (Family)
....†Kotlassiidae (Family)
....†Leptorophidae (Family)
....†Seymouriidae (Family)
Variants
Clade-based name
:
†
Seymouriamorpha
(Clade)
Watson 1917 [Laurin & Klembara 2020]
Ref:
M.J. Benton, 2015
: 437; 9 Apr 2025.
[inferred]
Former rank
:
†
Seymouriamorpha
(Suborder)
Watson, 1917
Ref:
M.J. Benton, 2015
: 437; 30 Aug 2019.
[inferred]
©2004-2025 Universal Taxonomic Services
Last updated:
21 Sep 2025