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Taxon:
Superorder †
Xenacanthimorpha
(fish)
Taxa
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Hierarchy
Nomenclature
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Entity:
Chondrichthyes (Class) - cartilaginous fishes
..†Akmonistion (Genus)
..†Altholepidiformes (Order)
..†Antarctilamniformes (Order)
..†Bandringidae (Family)
..†Cladoselachimorpha (Superorder)
..†Ctenacanthimorpha (Superorder)
..†Elegestolepidida (Order)
..†Emsolepis (Genus)
..†Eucentrurus (Genus)
..Euselachii (Subclass) - sharks, rays, and related fossils
..†Gogoselachus (Genus)
..Holocephali (Subclass)
..†Leonotus (Genus)
..†Mongolepidiformes (Order)
..†Odontorhytis (Genus)
..†Omalodontiformes (Order)
..†Phoebodontiformes (Order)
..†Plesioselachus (Genus)
..†Polymerolepidiformes (Order)
..†Polysentoridae (Family)
..†Protodontidae (Family)
..†Pucapampella (Genus)
..†Seretolepis (Genus)
..†Tanaodus (Genus)
..†Vallisia (Genus)
..†Wellingtonellidae (Family)
..†Xenacanthimorpha (Superorder)
....†Bransonelliformes (Order)
....†Xenacanthiformes (Order)
Types
Type
:
†
Xenacanthus
(Genus)
Beyrich, 1848
Ref:
R. van der Laan, 2018
: 36.
[inferred]
Variants
Former rank
:
†
Xenacanthimorpha
(Infraclass)
Ref:
J.S. Nelson et al., 2016
: 47; 23 Mar 2025.
[inferred]
Former rank
:
†
Xenacanthimorpha
(Infraclass)
Ref:
R. van der Laan, 2018
: 36; 25 Apr 2024.
[inferred]
Synonyms
Synonymous name
:
†
Pleuracanthodii
(Order)
Ref:
J.S. Nelson et al., 2016
: 47.
Synonymous name
:
†
Pleuracanthodii
(Order)
Ref:
R. van der Laan, 2018
: 36.
©2004-2026 Universal Taxonomic Services
Last updated:
28 Aug 2026