plural deltidia
: a plate partly or wholly closing the delthyrium of certain brachiopods

called also pseudodeltidium

: a pair of plates not homologous with the pseudodeltidium that performs the same function in other brachiopods

called also deltidial plates

Word History


New Latin, from Greek delta + New Latin -idium

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Dictionary Entries Near deltidium

Cite this Entry

“Deltidium.” Dictionary, Merriam-Webster, Accessed 11 Dec. 2023.

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