adj. [Gr. an, without; omphalos, navel]
(MOLLUSCA: Gastropoda)
Without an umbilicus.

Online Dictionary of Invertebrate Zoology. . 2005.

Look at other dictionaries:

  • anomphalous — …   Useful english dictionary

  • imperforate — adj. [L. in, not; perforatus, to bore through] 1. Not perforated; lacking an opening or aperture. 2. (MOLLUSCA: Gastropoda) see anomphalous …   Dictionary of invertebrate zoology

  • 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 …   Dictionary of invertebrate zoology

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