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Node-based clade:
†
Younginiformes
Romer 1933 [Laurin 1991]
(reptile)
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Hierarchy
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Entity:
Neodiapsida (Clade)
..[Archosauromorpha] (Infraclass)
..†Choristodera (Order)
..†Elachistosuchus (Genus)
..[†Ichthyosauria] (Infraclass) - ichthyosaurs
..[Lepidosauromorpha] (Infraclass)
..Pan-Archelosauria (Clade)
..Pan-Lepidosauria (Clade)
..[Sauria] (Clade)
..[†Younginiformes] (Clade)
Concise hierarchy
(Kingdom)
Animalia
-
(Phylum)
Chordata
-
(Class)
Reptilia
Phylogeny
Node-based clade
Ref:
M. Laurin, 1991
: 87.
[implicit]
Defined by the most recent common ancestor (and all its descendants) of
†
Acerosodontosaurus
(Genus)
Currie, 1980
Ref:
M. Laurin, 1991
: 87.
†
Hovasaurus
(Genus)
Piveteau, 1926
Ref:
M. Laurin, 1991
: 87.
†
Youngina
(Genus)
Broom, 1914
Ref:
M. Laurin, 1991
: 87.
Included, by definition, in node-based clade
Eosuchia
(Clade)
Broom 1914 [Laurin 1991]
Ref:
M. Laurin, 1991
: 84 ("younginiforms").
Neodiapsida
(Clade)
Benton 1985
Ref:
M. Laurin, 1991
: 85 ("younginiforms").
Current position
Neodiapsida
(Clade)
Benton 1985
Ref:
R.V. Hill, 2005
: fig. 5.
Historical positions
Neodiapsida
(Clade)
Benton 1985
Ref:
R.V. Hill, 2005
: fig. 5.
Neodiapsida
(Clade)
Benton 1985
Ref:
M. Laurin, 1991
: 83, 87, fig. 11.
[emended diagnosis]
©2004-2024 Universal Taxonomic Services
Last updated:
1 Feb 2024