Word.ws English Dictionary

acanthodian

US/ˌæk.n̩ˈθoʊ.di.n̩/

acanthodian noun: a member of a group of extinct fish (Acanthodii) that existed from the Silurian to the Permian period.

Noun

acanthodian (plural acanthodians)

  1. A member of a group of extinct fish (Acanthodii) that existed from the Silurian to the Permian period.
    • The emerging picture of acanthodian (and perhaps placoderm) paraphyly does not overturn a general consensus about gnathostome interrelationships.2009 January 15, Martin D. Brazeau, “The braincase and jaws of a Devonian 'acanthodian' and modern gnathostome origins”, Nature Volume 457 No. 7227, doi:10.1038/nature07436

Adjective

acanthodian (not comparable)

  1. Pertaining to Acanthodii.

Forms of acanthodian

pluralacanthodians
alternative formacanthodean

Origin of acanthodian

From taxonomic name Acanthodii + English -ian.

Words that rhyme with acanthodian

Questions about acanthodian

What does acanthodian mean?
Acanthodian means a member of a group of extinct fish (Acanthodii) that existed from the Silurian to the Permian period.
What part of speech is acanthodian?
Acanthodian can be a noun or an adjective.
How do you pronounce acanthodian?
Acanthodian is pronounced /ˌæk.n̩ˈθoʊ.di.n̩/ (US).
What is the plural of acanthodian?
The plural of acanthodian is acanthodians.

Words near acanthodian in the dictionary

  1. acanthocytoses
  2. acanthocytosis
  3. acanthocytotic
  4. acanthodean
  5. acanthodeans
  6. acanthodian
  7. acanthodians
  8. acanthodid
  9. acanthodids
  10. acanthodiform
  11. acanthodiforms

Source and license

Adapted from Wiktionary: acanthodian (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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