deltidial plates
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deltidial plates — (BRACHIOPODA) A plate or pair of plates growing medially from the margin of the delthyrium, almost or completely closing it … Dictionary of invertebrate zoology
henidium — n. [Gr. dim. henos, one] (BRACHIOPODA) Deltidial plates that lose the line of fusion during growth … Dictionary of invertebrate zoology
pedicle collar — (BRACHIOPODA) The two deltidial plates curved around the pedicle base, may or may not be fused … Dictionary of invertebrate zoology
