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ORDERII . Neotremata (See also:Beecher) .— 2. Deltidium. More or less circular, See also:cone-shaped, 3. Margin of delthyrium. inarticulate See also:Brachiopoda. The pedicle 4. Pedicle-opening. passes out at right angles to the See also:plane 5. Dorsal See also:valve. of junction of the valves of the See also:shell; the opening is confined to the ventral valve, and may take the See also:form of a slit, or may be closed by the development of a See also:special See also:plate called the listrium, or by a pseudo-deltidium. See also:Pro-deltidium attached I to ventral valve. FAM See also:ILI ES.—Ac ROT RETIDAE, SIPHONOTRETIDAE, TREMATIDAE, DISCINIDAE, CRANIIDAE. Class II. Additional information and CommentsThere are no comments yet for this article.
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