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Monotypic taxon:
Order †
Protacrodontiformes
(fish)
Taxa
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Entity:
Elasmobranchii (Subclass) - shark-like fishes
..†Cladoselachimorpha (Infraclass)
..Euselachii (Infraclass) - sharks and rays, and related fossils
..†Listracanthus (Genus)
..†Lugalepidida (Order)
..†Omalodontiformes (Order)
..†Plesioselachus (Genus)
..†Squatinactiformes (Order)
..†Venustodus (Genus)
..†Xenacanthimorpha (Infraclass)
..†Protacrodontiformes (Order)
....†Protacrodontidae (Family)
Concise hierarchy
(Kingdom)
Animalia
-
(Phylum)
Chordata
-
(Class)
Chondrichthyes
Current position
Elasmobranchii
(Subclass)
Bonaparte, 1838
Ref:
J.S. Nelson, 2006
: 47.
Historical positions
Elasmobranchii
(Subclass)
Bonaparte, 1838
Ref:
J.S. Nelson, 2006
: 47.
Number of Subtaxa
2024
Available in Systema Naturae 2000
†1f;3g
1989-present
Systema Naturae 2000
: 15 May 2017
[; †1f]
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Last updated:
1 Feb 2024