acanthopterygian

adjective
ac·an·thop·te·ryg·i·an | \-ˌthäptəˈrijēən\
variants: or acanthopteran \¦aˌkanˈthäptərən, ¦akən- \

Definition of acanthopterygian 

(Entry 1 of 2)

: of or belonging to the Acanthopterygii

acanthopterygian

noun
\"\
variants: or acanthopteran \" \
plural -s

Definition of acanthopterygian (Entry 2 of 2)

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First Known Use of acanthopterygian

Adjective

1833, in the meaning defined above

Noun

1834, in the meaning defined above

History and Etymology for acanthopterygian

Adjective

New Latin Acanthopterygii or Acanthopteri + English -an

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The first known use of acanthopterygian was in 1833

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