Cyclostomata

From French cyclostome, from Ancient Greek κύκλος (kúklos, “circle”) + στόμα (stóma, “mouth”).

Cyclostomata

1. A taxonomic class within the subphylum Vertebrata – the living jawless fishes: lampreys and hagfishes; the cyclostomes.
   • 1834, Peter Mark Roget, Animal and Vegetable Physiology, volume 2 (in English), William Pickering, page 116:

     Among fishes, we meet with the family of Cyclostomata, so called from their having a circular mouth, formed for suction.

   • 2009, Shigehiro Kuraku et al., “Jawless Fishes (Cyclostomata)”, in The Timetree of Life (in English), Oxford University Press, page 317:

     Cyclostomata comprises two families of living jawless fishes: hagfishs (Myxinidae, 44 species) and lampreys (Petrymyzonidae, 41 species).

2. A taxonomic order within the phylum Bryozoa – the Cyclostomatida.[1]

• (order): Cyclostomatida

• (class): Eukaryota – superkingdom; Animalia – kingdom; Bilateria – subkingdom; Deuterostomia – infrakingdom; Chordata – phylum; Vertebrata - subphylum; Agnatha - infraphylum
• (order): Eukaryota - superkingdom; Animalia - kingdom; Bilateria - subkingdom; Protostomia - infrakingdom; Spiralia - superphylum; Bryozoa - phylum; Stenolaemata - class[1]

• (class): Myxiniformes (hagfishes), Petromyzontiformes (lampreys) - orders
• (order): Articulata, Cancellata, Cerioporina, Fasciculina, Rectangulata, Tubuliporina - suborder[1]

• (class): Gnathostomata

class of Vertebrata

• Cyclostomata on Wikipedia.Wikipedia
• Cyclostomata on Wikispecies.Wikispecies
• Category:Cyclostomata on Wikimedia Commons.Wikimedia Commons

order of Bryozoa

• Cyclostomatida on Wikipedia.Wikipedia
• Cyclostomatida on Wikispecies.Wikispecies
• Category:Cyclostomatida on Wikimedia Commons.Wikimedia Commons
• Cyclostomata at World Register of Marine Species