noun Molluscoidea n. pl. (Zool.) A division of Invertebrata which includes the classes Brachiopoda and Bryozoa; called also Anthoid Mollusca. Note: 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.
Collaborative International Dictionary of English 0.48
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