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te·trac·ti·nel·lid | \ tə̇‧¦traktə¦nelə̇d \
variants:
or less commonly tetractinellidan \ -lədən \
Definition of tetractinellid
(Entry 1 of 2)
: of or relating to the Tetractinellida
tetractinellid
noun\ " \
plural -s
Definition of tetractinellid (Entry 2 of 2)
: a sponge of the subclass Tetractinellida
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