Definition of Pyramidellidae
: a large family of marine snails (suborder Taenioglossa) having a conical or turreted dextrally coiled shell but with the apical whorls or embryonic shell sinistrally coiled, a long retractile proboscis, and no radula
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Origin and Etymology of pyramidellidae
New Latin, from Pyramidella, type genus (from Latin pyramid-, pyramis pyramid + -ella) + -idae — more at pyramid
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