valve coverage
(MOLLUSCA: Polyplacophora)
1. Complete coverage Two contiguous valves with the rear edge of one covering the whole front edge of the one posterior to it.
2. Partial coverage A small part of the front edge of the next valve that is overlapped.
3. Jugal coverage With only the apical part of a valve overlapping the next one.

Online Dictionary of Invertebrate Zoology. . 2005.

Look at other dictionaries:

  • complete coverage — see valve coverage …   Dictionary of invertebrate zoology

  • jugal coverage — see valve coverage …   Dictionary of invertebrate zoology

  • partial coverage — see valve coverage …   Dictionary of invertebrate zoology

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