1 cystoidean | Definition of cystoidean

cystoidean

adjective
cys·​toi·​de·​an

Definition of cystoidean

 (Entry 1 of 2)

: of or relating to the Cystoidea

cystoidean

noun
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plural -s

Definition of cystoidean (Entry 2 of 2)

: a fossil or echinoderm of the class Cystoidea

History and Etymology for cystoidean

Adjective

New Latin Cystoidea + English -an

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