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Monotypic taxon:
Class
Petromyzonti
(vertebrate)
Taxa
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Hierarchy
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Entity:
Petromyzontomorphi (Superclass)
..Petromyzonti (Class)
....†Gilpichthyidae (Family)
....Petromyzontiformes (Order) - lampreys
....†Pipisciidae (Family)
Concise hierarchy
(Kingdom)
Animalia
-
(Phylum)
Chordata
Current position
Petromyzontomorphi
(Superclass)
Ref:
R. van der Laan et al., 2021
: (4 Feb 2025); [ECoF(4 Feb 2025)].
[indirect]
Number of Subtaxa
2025
Available in Systema Naturae 2000
1o;3f;11g;43s; †4f;6g;4s
1989-present
Systema Naturae 2000
: 10 May 2025
[1o;3f;11g; †4f]
©2004-2025 Universal Taxonomic Services
Last updated:
21 Sep 2025