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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

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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