Fissurellidae


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Fissurellidae

[‚fis·ə′rel·ə‚dē]
(invertebrate zoology)
The keyhole limpets, a family of gastropod mollusks in the order Archeogastropoda.
References in periodicals archive ?
Development of the keyhole, as a fissure on the anterior region of the shell, is a characteristic of the Fissurellidae, which begins on day 16.