sutural shelf

sutural shelf
(MOLLUSCA: Gastropoda)
A horizontally flattened band that may contact the adapical suture of the whorls.

Online Dictionary of Invertebrate Zoology. . 2005.

Look at other dictionaries:

  • shoulder — adj. [A.S. sculdor, shoulder] 1. Any obtuse angulation. 2. (MOLLUSCA: Gastropoda) The angulation of the shell whorls, forming the abaxial edge of the sutural ramp or shelf; shoulder angle …   Dictionary of invertebrate zoology

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