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Paraphyletic taxon:
Superorder
Thecodontia
Owen, 1859
(reptile)
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Hierarchy
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Entity:
[Archosauria] (Infraclass)
..[†Pterosauria] (Superorder)
..[†Sauropodomorpha] (Superorder)
..[†Theropodomorpha] (Superorder)
..[Thecodontia] (Superorder)
....[†Pseudosuchia] (Order)
....[†Stenaulorhynchidae] (Family)
Concise hierarchy
(Kingdom)
Animalia
-
(Phylum)
Chordata
-
(Class)
Sauropsida
Phylogeny
Paraphyletic/Ancestral (para)
Ref:
G. Olshevsky, 1991
: 37 ("Parasuperorder").
Current position
Archosauria
(Infraclass)
Cope, 1869
Ref:
G. Olshevsky, 1991
: 37.
Historical positions
Archosauria
(Infraclass)
Cope, 1869
Ref:
G. Olshevsky, 1991
: 37.
Number of Subtaxa
1991
G. Olshevsky
: 37 (excluding Crocodylia)
†6o;15f;115(86)[151]g;171(113)s
©2004-2026 Universal Taxonomic Services
Last updated:
28 Aug 2026