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Taxon:
Subclass
Cyclostomata
Richards
(fish)
Taxa
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Entity:
[Agnatha] (Class)
..[†Anaspida] (Order) - anaspids
..[Cephalaspidomorpha] (Subclass)
..[Cephalaspidomorphi] (Subclass)
..[†Conodonta] (Subclass)
..[†Myllokunmingiida] (Subclass)
..[Myxinoidea] (Subclass) - hagfishes
..[Myxinoidea] (Order) - hagfishes
..[ostracoderms]
..[Petromyzoniformes] (Order)
..[Petromyzontia] (Order)
..[Petromyzontida] (Subclass) - lampreys
..[†Pteraspidomorphi] (Subclass)
..[†Thelodonti] (Subclass)
..[†Thelodonti] (Order)
..[†unnamed] (Subclass)
..[Cyclostomata] (Subclass)
....[Myxinoidea] (Infraclass) - hagfishes
....[Petromyzontida] (Infraclass) - lampreys
Variants
Former rank
:
Cyclostomata
(Superclass)
Richards
Ref:
M.J. Benton, 2015
: [433].
[inferred]
Former rank
:
Cyclostomata
(Class)
Richards
Ref:
M.J. Benton, 2015
: [433].
[inferred]
©2004-2026 Universal Taxonomic Services
Last updated:
28 Aug 2026