- commissural shelf
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(MOLLUSCA: Bivalvia)The shelflike part of the shell abutting the commissure peripherally.
Online Dictionary of Invertebrate Zoology. A.R. Maggenti and S.L. Gardne. 2005.
Online Dictionary of Invertebrate Zoology. A.R. Maggenti and S.L. Gardne. 2005.