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Paraphyletic taxon:
Class
Agnatha
Cope, 1889
(fish)
Taxa
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Hierarchy
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Entity:
[Vertebrata] (Subphylum) - vertebrates
..[Agnatha] (Superclass)
..[Agnatha] (Infraphylum)
..[Amniota] (Cohort)
..[†Conodonta] (Superclass) - conodonts
..[Cyclostomata] (Class)
..[†Dinosauria] (Class)
..[Elasmobranchiomorphi] (Class)
..[Gnathostomata] (Infraphylum) - jawed vertebrates
..[Homotherma] (Superclass)
..[†Ichnites] (Class) - trace fossils
..[Myopterygii] ([unranked]) - myopterygians
..[Reptilia] (Superclass)
..[Tetrapoda] (Infraphylum)
..[Agnatha] (Class)
....[†Anaspida] (Order) - anaspids
....[Cephalaspidomorpha] (Subclass)
....[Cephalaspidomorphi] (Subclass)
....[†Conodonta] (Subclass)
....[Cyclostomata] (Subclass)
....[†Myllokunmingiida] (Subclass)
....[Myxinoidea] (Order) - hagfishes
....[Myxinoidea] (Subclass) - hagfishes
....[ostracoderms]
....[Petromyzoniformes] (Order)
....[Petromyzontia] (Order)
....[Petromyzontida] (Subclass) - lampreys
....[†Pteraspidomorphi] (Subclass)
....[†Thelodonti] (Order)
....[†Thelodonti] (Subclass)
....[†unnamed] (Subclass)
Variants
Different rank
:
Agnatha
(Subphylum)
(Cope, 1889)
Different rank
:
Agnatha
(Infraphylum)
auct.
Different rank
:
Agnatha
(Superclass)
Haeckel, 1895
Ref:
R.A. Fritzsche & L. Fuiman, 1982
: 830.
Synonyms
In
:
Pisces
(Superclass)
Linnaeus, 1758
Including
:
Cephalaspidomorpha
(Subclass)
Including
:
Cephalaspidomorphi
(Subclass)
Kiaer & Stensiö, 1920
Vernacular Names (Dutch)
Full name
:
kaakloze vissen
Ref:
B. Gardiner et al., 1989
: 301.
:
kaaklozen
©2004-2026 Universal Taxonomic Services
Last updated:
28 Aug 2026