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Taxon:
Genus †
Cycloptychius
Young, 1866
(fish)
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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)
Authorship
Original name
:
Young, 1866. Quart. J. geol. Soc., 22, 318.
©2004-2026 Universal Taxonomic Services
Last updated:
28 Aug 2026