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Monotypic taxon:
Infraclass †
Hybodonta
- hybodonts
(fish)
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Entity:
Euselachii (Subclass) - sharks, rays, and related fossils
..†Acronemus (Genus)
..Elasmobranchii (Infraclass)
..†Listracanthidae (Family)
..†Protacrodontiformes (Order)
..†Hybodonta (Infraclass) - hybodonts
....†Hybodontiformes (Order)
Concise hierarchy
(Kingdom)
Animalia
-
(Phylum)
Chordata
-
(Class)
Chondrichthyes
Current position
Euselachii
(Subclass)
Hay, 1902
Ref:
R. van der Laan, 2018
: 39.
Historical positions
Euselachii
(Subclass)
Hay, 1902
Ref:
R. van der Laan, 2018
: 39.
Euselachii
(Subclass)
Hay, 1902
Ref:
J.S. Nelson et al., 2016
: 55.
Number of Subtaxa
2025
Available in Systema Naturae 2000
†1o;11f;20g;8s
1989-present
Systema Naturae 2000
: 3 May 2024
[; †1o;11f]
2018
R. van der Laan
: 40
[; †1o;11f]
2016
J.S. Nelson et al.
: 56
[; †1o;10f]
©2004-2025 Universal Taxonomic Services
Last updated:
21 Sep 2025