pleurotoma definition

  • noun:
    • Any marine gastropod owned by Pleurotoma, and ether allied genera associated with household Pleurotmidæ. The species are numerous, particularly in tropical seas. The external lip has actually generally a posterior notch or slit.
    • In conchology, the normal genus of Pleurotomidæ: so named from notch or slit in external lip regarding the aperture.
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