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Monotypic taxon:
Order †
Ptyctodontiformes
(fish)
Taxa
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Hierarchy
Nomenclature
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Entity:
†Placodermi (Class)
..†Acanthothoraciformes (Order)
..†Antiarchiformes (Order) - antiarchs
..†Arthrodiriformes (Order) - arthrodires
..†Oestophorus (Genus)
..†Petalichthyiformes (Order)
..†Pseudopetalichthyiformes (Order)
..†Rhenaniformes (Order)
..†Stensioelliformes (Order)
..†Ptyctodontiformes (Order)
....†Ptyctodontidae (Family)
Concise hierarchy
(Kingdom)
Animalia
-
(Phylum)
Chordata
-
(Class)
Placodermi
Current position
†
Placodermi
(Class)
McCoy, 1848
Ref:
J.S. Nelson, 2006
: 38.
Historical positions
†
Placodermi
(Class)
McCoy, 1848
Ref:
J.S. Nelson, 2006
: 38.
Number of Subtaxa
2024
Available in Systema Naturae 2000
†1f;14g;5s
1989-present
Systema Naturae 2000
[; †1f;14g]
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Last updated:
1 Feb 2024