acanthodian

adjective
ac·​an·​tho·​di·​an
variants: or less commonly acanthodean \ ¦aˌkan¦thōdēən , ¦akən-​ \

Definition of acanthodian

 (Entry 1 of 2)

: of or belonging to the subclass Acanthodii

acanthodian

noun
variants: or less commonly acanthodean \ " \
plural -s

Definition of acanthodian (Entry 2 of 2)

: an animal or fossil belonging to the subclass Acanthodii

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First Known Use of acanthodian

Adjective

1849, in the meaning defined above

Noun

1845, in the meaning defined above

History and Etymology for acanthodian

Adjective

New Latin Acanthodii, Acanthodei + English -an

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The first known use of acanthodian was in 1845

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