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Monophyletic taxon: Superorder Squalomorphi (fish)
 Entity: 

Concise hierarchy

(Kingdom) Animalia - (Phylum) Chordata - (Class) Chondrichthyes

Current position

Selachii (Division) Ref: J.S. Nelson et al., 2016: 57; Nelson et al., 2016: fig. (p. 58).

Alternative positions

Elasmobranchii (Infraclass) Bonaparte, 1838 Ref: R. van der Laan, 2018: 43.
Selachii (Subdivision) Ref: J.S. Nelson, 2006: 52.

Historical positions

Elasmobranchii (Infraclass) Bonaparte, 1838 Ref: R. van der Laan, 2018: 43.
Selachii (Division) Ref: J.S. Nelson et al., 2016: 57, 73.
Selachii (Subdivision) Ref: J.S. Nelson, 2006: 52, 63-64.

Number of Subtaxa

2025 Available in Systema Naturae 2000 5o;11f;31g;154s; †1o;7f;11g
1989-present Systema Naturae 2000: 11 May 2025 [5o;11f;31g; †1o;7f]
2018 R. van der Laan: 44 [5o;12f; †1o;6f]
2016 J.S. Nelson et al.: 80 [5o;11f; †1o;4f]
©2004-2025 Universal Taxonomic Services
Last updated: 21 Sep 2025