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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The first known use of acanthodian was in 1845

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