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Paraphyletic taxon:
Infraclass
Archosauria
Cope, 1869
(reptile)
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Hierarchy
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Entity:
[Diapsida] (Subclass) - diapsids
..[†Araeoscelida] (Order)
..[†Coelurosauravidae] (Family)
..†Drepanosauridae (Family)
..†Endennasauridae (Family)
..[Archosauria] (Infraclass)
....[†Pterosauria] (Superorder)
....[†Sauropodomorpha] (Superorder)
....[Thecodontia] (Superorder)
....[†Theropodomorpha] (Superorder)
Concise hierarchy
(Kingdom)
Animalia
-
(Phylum)
Chordata
-
(Class)
Sauropsida
Phylogeny
Paraphyletic/Ancestral (para)
Ref:
G. Olshevsky, 1991
: 7 ("parainfraclass").
Current position
Diapsida
(Subclass)
Osborn, 1903
Ref:
G. Olshevsky, 1991
: 7.
Historical positions
Diapsida
(Subclass)
Osborn, 1903
Ref:
G. Olshevsky, 1991
: 7.
©2004-2026 Universal Taxonomic Services
Last updated:
28 Aug 2026