phaneromphalous

phaneromphalous
adj. [Gr. phaneros, visible; omphalos, the navel]
(MOLLUSCA: Gastropoda)
A shell with a completely open umbilicus; may be wide, narrow, or very minute; see anomphalous.

Online Dictionary of Invertebrate Zoology. . 2005.

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Look at other dictionaries:

  • umbilical suture — (MOLLUSCA: Gastropoda) In phaneromphalous type shells, a continuous line separating successive whorls …   Dictionary of invertebrate zoology

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