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Monotypic taxon:
Suborder †
Henodontoidea
Kuhn, 1961
(reptile)
Taxa
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Hierarchy
Nomenclature
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Entity:
†Placodontia (Order)
..†Cyamodontoidea (Suborder)
..†Helveticosauroidea (Suborder)
..†Placodontoidea (Suborder)
..†Henodontoidea (Suborder)
....†Henodontidae (Family)
Concise hierarchy
(Kingdom)
Animalia
-
(Phylum)
Chordata
-
(Class)
Sauropterygia
-
(Order)
Placodontia
Current position
†
Placodontia
(Order)
Owen, 1859
Ref:
O. Kuhn, 1969
: 17.
Historical positions
†
Placodontia
(Order)
Owen, 1859
Ref:
O. Kuhn, 1969
: 17.
Number of Subtaxa
2025
Available in Systema Naturae 2000
†1f;1g
1989-present
Systema Naturae 2000
: 5 Jan 2017
[; †1f]
1969
O. Kuhn
: 17
[; †1f]
©2004-2024 Universal Taxonomic Services
Last updated:
1 Feb 2024