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Taxon:
Order †
Orodontiformes
Zangerl, 1981
(fish)
Taxa
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Hierarchy
Nomenclature
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Entity:
Holocephali (Subclass)
..†Debeeriiformes (Order)
..†Eugeneodontiformes (Order)
..†Gregoriidae (Family)
..†Harpacanthidae (Family)
..†Helodontiformes (Order)
..Holocephalimorpha (Superorder)
..†Iniopterygiformes (Order)
..†Lagarodontidae (Family)
..†Petalodontiformes (Order)
..†Orodontiformes (Order)
....†Leiodontidae (Family)
....†Orodontidae (Family)
Concise hierarchy
(Kingdom)
Animalia
-
(Phylum)
Chordata
-
(Class)
Chondrichthyes
Current position
Holocephali
(Subclass)
Bonaparte, 1832
Ref:
R. van der Laan, 2018
: 37; Grogan et al., 2012: fig. 1.1; Nelson et al., 2016: 49.
Alternative positions
†
Paraselachimorpha
(Superorder)
(Lund, 1977)
Ref:
J.S. Nelson, 2006
: 43.
Historical positions
Holocephali
(Subclass)
Bonaparte, 1832
Ref:
R. van der Laan, 2018
: 37.
Holocephali
(Subclass)
Bonaparte, 1832
Ref:
J.S. Nelson et al., 2016
: 49.
†
Paraselachimorpha
(Superorder)
(Lund, 1977)
Ref:
J.S. Nelson, 2006
: 43.
Number of Subtaxa
2026
Available in Systema Naturae 2000
†2f;3g;1s
1989-present
Systema Naturae 2000
: 1 May 2024
[; †2f]
2018
R. van der Laan
: 37
[; †2f]
2016
J.S. Nelson et al.
: 49
[; †2f]
©2004-2025 Universal Taxonomic Services
Last updated:
21 Sep 2025