deltidium

noun del·tid·i·um

Definition of deltidium

plural

deltidia

\-dēə\
  1. 1 :  a plate partly or wholly closing the delthyrium of certain brachiopods —called also pseudodeltidium

  2. 2 :  a pair of plates not homologous with the pseudodeltidium that performs the same function in other brachiopods —called also deltidial plates

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Origin and Etymology of deltidium

New Latin, from Greek delta + New Latin -idium


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