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Monophyletic taxon:
Order †
Aetosauria
Nicholson & Lydekker, 1889
(reptile)
Taxa
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Hierarchy
Nomenclature
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Entity:
†Aetosauriformes (Clade)
..†Acaenasuchus (Genus)
..†Euscolosuchus (Genus)
..†Revueltosaurus (Genus)
..†Aetosauria (Order)
....†Aetosauroides (Genus)
....†Stagonolepididae (Family) - aetosaurs
Concise hierarchy
(Kingdom)
Animalia
-
(Phylum)
Chordata
-
(Class)
Reptilia
Included, by definition, in node-based clade
Crurotarsi
(Clade)
Sereno & Arcucci 1990
Ref:
S.J. Nesbitt, 2011
: 192 (Sereno & Arcucci, 1990).
Suchia
(Clade)
Krebs 1974 [Sereno 1991]
Ref:
S.J. Nesbitt, 2011
: 195 (Sereno, 1991a).
Current position
†
Aetosauriformes
(Clade)
Hay 1930 [Parker
et al.
2021]
Ref:
T.L. Ford, 2005-present
: [13 Jul 2026]; Paleofile[13 Jul 2026]; [Nesbitt, 2011: fig. 51].
Alternative positions
Reptilia
(Class)
Linnaeus, 1758
Ref:
T. Rees, 2006-present
: [5 Jun 2025]; IRMNG[5 Jun 2025].
Thecodontia
(Superorder)
Owen, 1859
Ref:
G. Olshevsky, 1991
: 49.
Historical positions
Thecodontia
(Superorder)
Owen, 1859
Ref:
G. Olshevsky, 1991
: 49.
Number of Subtaxa
2026
Available in Systema Naturae 2000
†1f;29g;8s;6
1989-present
Systema Naturae 2000
: 13 Jul 2026
[; †1f;29g]
1991
G. Olshevsky
: 49
†1f;16(13)[17]g;19(14)s
©2004-2026 Universal Taxonomic Services
Last updated:
28 Aug 2026