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agnathan

/ˈæɡ.nə.θən/

agnathan adjective: belonging or pertaining to the superclass Agnatha, the jawless vertebrates.

agnathan: belonging or pertaining to the superclass Agnatha, the jawless vertebrates
Image: M.Buschmann, CC BY-SA 3.0, via Wikimedia Commons

Adjective

agnathan (not comparable)

  1. Belonging or pertaining to the superclass Agnatha, the jawless vertebrates.
    • Haikouichthys is one of three species of jawless (or agnathan) fish to be found in the Early Cambrian period.2005, Tim Haines, Paul Chambers, The Complete Guide to Prehistoric Life, BBC Books, page 20

Noun

agnathan (plural agnathans)

  1. A member of the superclass Agnatha of jawless vertebrates.
    • 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.1956, D. R. Newth, “On the Neural Crest of the Lamprey Embryo”, in Journal of Embryology and Experimental Morphology, volume 4, page 358
    • 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).1992, Peter J. Hanley et al., “Hagfish Humoral Defense Protein Exhibits Structural and Functional Homology with Mammalian Complement Components”, in Proceedings of the National Academy of Sciences...
    Synonyms:
    agnath, agnatha

agnathan meaning in Tamil

agnathan in Tamil

நமது பூமியில் காணப்படும், மீன் இனங்களில் ஒன்றாகும்

Synonyms of agnathan

Forms of agnathan

pluralagnathans

Origin of agnathan

From Agnatha, from Ancient Greek ἀ- (a-, “without”) + γνάθος (gnáthos, “jaw”).

Questions about agnathan

What does agnathan mean?
Agnathan means belonging or pertaining to the superclass Agnatha, the jawless vertebrates.
What is agnathan in Tamil?
Agnathan in Tamil is நமது பூமியில் காணப்படும், மீன் இனங்களில் ஒன்றாகும். See Agnathan meaning in Tamil.
What part of speech is agnathan?
Agnathan can be an adjective or a noun.
How do you pronounce agnathan?
Agnathan is pronounced /ˈæɡ.nə.θən/.

Words near agnathan in the dictionary

  1. agnames
  2. agnate
  3. agnates
  4. agnath
  5. agnatha
  6. agnathan
  7. agnathans
  8. agnathas
  9. agnathia
  10. agnathic
  11. agnathid

Source and license

Adapted from Wiktionary: agnathan (page history and authors); agnathan (Tamil Wiktionary) (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “agnathan.” Word.ws, https://word.ws/agnathan. Based on Wiktionary, CC BY-SA 4.0.