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Monotypic taxon:
Order †
Younginiformes
Romer, 1933
(reptile)
Taxa
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Hierarchy
Nomenclature
Taxonomy
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Entity:
Diapsida (Clade)
..†Araeoscelidia (Order)
..†Claudiosauridae (Family)
..†Lanthanolania (Genus)
..Neodiapsida (Clade)
..†Orovenator (Genus)
..†Tangasauridae (Family)
..†Weigeltisauria (Order)
..†Younginiformes (Order)
....†Younginidae (Family)
Concise hierarchy
(Kingdom)
Animalia
-
(Phylum)
Chordata
-
(Class)
Reptilia
Phylogeny
Probably Paraphyletic/Ancestral (para)
Ref:
R.R. Reisz et al., 2011
: 3733 ("artificial grouping"); fig. 4.
Excluded, by definition, from branch-based clade
Lepidosauriformes
(Clade)
Gauthier, Estes & de Queiroz 1988
Ref:
J. Gauthier et al., 1988a
: 28 ("younginiforms").
Current position
Diapsida
(Clade)
Osborn 1903 [Gauthier & de Queiroz 2020]
Ref:
M.J. Benton, 2015
: 438.
[implicit]
Alternative positions
Neodiapsida
(Clade)
Benton 1985
Ref:
M.J. Benton, 2005
: 395; fig. 6.6.
[indirect]
Historical positions
Neodiapsida
(Clade)
Benton 1985
Ref:
M.J. Benton, 2005
: 395, box 5.1, fig. 6.6.
Number of Subtaxa
2024
Available in Systema Naturae 2000
†1f;2g;1s
1989-present
Systema Naturae 2000
: 6 Apr 2017
[; †1f;2g]
©2004-2024 Universal Taxonomic Services
Last updated:
1 Feb 2024