Cyclostome vs Agnathan - What's the difference?
cyclostome | agnathan | Hyponyms |
Any of various primitive jawless fish of the class Cyclostomata, such as the lamprey or hagfish.
* 1811 , , "On the Sense of Smell in Fishes", Journal of Natural Philosophy, Chemistry, and the Arts , volume 29,
* 1835 , , On the Power Wisdom and Goodness of God , volume 2, William Pickering,
(zoology) Belonging or pertaining to the superclass Agnatha, the jawless vertebrates.
* 2005 , Tim Haines and Paul Chambers, The Complete Guide to Prehistoric Life , BBC Books, page 20:
(zoology) A member of the superclass Agnatha of jawless vertebrates.
* 1956 , D. R. Newth, "On the Neural Crest of the Lamprey Embryo", Journal of Embryology and Experimental Morphology , volume 4, page 358:
* 1992 , Peter J. Hanley et al., "Hagfish Humoral Defense Protein Exhibits Structural and Functional Homology with Mammalian Complement Components", Proceedings of the National Academy of Sciences , volume 89, page 7910:
Agnathan is a hyponym of cyclostome.
As nouns the difference between cyclostome and agnathan
is that cyclostome is any of various primitive jawless fish of the class Cyclostomata, such as the lamprey or hagfish while agnathan is a member of the superclass Agnatha of jawless vertebrates.As an adjective agnathan is
belonging or pertaining to the superclass Agnatha, the jawless vertebrates.cyclostome
English
(wikipedia cyclostome)Noun
(en noun)page 344:
- Except the cyclostomes , as the lampreys and sphagobranchiæ, which are not real fishes, as I shall show elsewhere.
page 390:
- The Cyclostomes , or suckers, with regard to their skeletons, are the most imperfect of all the Vertebrates,
agnathan
English
(wikipedia agnathan)Adjective
(en adjective)- Haikouichthys is one of three species of jawless (or agnathan ) fish to be found in the Early Cambrian period.
Noun
(en noun)- Thus should the cranial neural crest in cyclostomes prove to be non-skeletogenous this might be a reflection either of its own primitiveness or of the different evolutionary origins and morphological status of the visceral skeleton in agnathans and gnathostomes.
- The hagfish is an agnathan , a modern representative of the earliest evolved group of vertebrates, the ostracoderms or jawless fishes, which arose prior to the ancient placoderms (3).