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Taxon:
Genus †
Cycloptychius
Young, 1866
(fish)
Taxa
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Hierarchy
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Entity:
†Palaeonisciformes (Order)
..†Acrolepididae (Family)
..†Aesopichthyidae (Family)
..†Amblypteridae (Family)
..†Asarotidae (Family)
..†Atherstoniidae (Family)
..†Beagiascus (Genus)
..†Birgeriidae (Family)
..†Boreolepididae (Family)
..†Brazilichthyidae (Family)
..†Canobiidae (Family)
..†Carbovelidae (Family)
..†Centrolepididae (Family)
..†Coccocephalichthyidae (Family)
..†Commentryidae (Family)
..†Cornuboniscidae (Family)
..†Cosmolepididae (Family)
..†Cosmoptychiidae (Family)
..†Cryphiolepididae (Family)
..†Cuneognathus (Genus)
..†Dicellopygidae (Family)
..†Donnrosenia (Genus)
..†Eigiliidae (Family)
..†Elonichthyidae (Family)
..†Eurynotoididae (Family)
..†Gogosardinia (Genus)
..†Gonatodidae (Family)
..†Guntherichthys (Genus)
..†Gyrolepidotidae (Family)
..†Holuridae (Family)
..†Howqualepididae (Family)
..†Kalops (Genus)
..†Kentuckiidae (Family)
..†Lawniidae (Family)
..†Limnomis (Genus)
..†Lineagruan (Genus)
..†Mansfieldiscus (Genus)
..†Melanecta (Genus)
..†Moythomasiidae (Family)
..†New Brunswick fish (Species)
..†Novogonatodus (Genus)
..†Palaeoniscidae (Family)
..†Paramblypteridae (Family)
..†Pteronisculus (Genus)
..†Pygopteridae (Family)
..†Rhabdolepididae (Family)
..†Rhadinichthyidae (Family)
..†Sceletophoridae (Family)
..†Spinofacia (Genus)
..†Stegotrachelidae (Family)
..†Strepheoschemidae (Family)
..†Trissolepididae (Family)
..†Urosthenidae (Family)
..†Varialepididae (Family)
..†Whiteichthyidae (Family)
..†Woodichthys (Genus)
..†Cycloptychius (Genus)
....†Cycloptychius concentricus (Species)
Concise hierarchy
(Kingdom)
Animalia
-
(Phylum)
Chordata
-
(Order)
Palaeonisciformes
Current position
†
Palaeonisciformes
(Order)
Jarvik, 1961
Ref:
K.E. Mickle, 2015
: fig. 14.
[rough position] [implicit]
Historical positions
†
Palaeonisciformes
([unranked])
Jarvik, 1961
Ref:
K.E. Mickle, 2015
: fig. 14.
[rough position]
Number of Subtaxa
2025
Available in Systema Naturae 2000
†1s
©2004-2025 Universal Taxonomic Services
Last updated:
21 Sep 2025