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Webster 1913 Edition
Molluscoidea
‖
Molˊlus-coi′de-a
,Noun.
pl.
(Zool.)
A division of Invertebrata which includes the classes
Brachiopoda
and Bryozoa
; – called also Anthoid Mollusca
. ☞ Originally the Tunicata were included under Molluscoidea, from which they are known to differ widely in structure and embryology. Molluscoidea were formerly considered a subdivision of Mollusca, but they are now known to have more relationship with Annelida than with Mollusca.