Ancylidae
plural noun
An·cyl·i·dae
| \ aŋˈkiləˌdē, anˈsi- \
Definition of Ancylidae
: a cosmopolitan family of small thin-shelled conical pulmonate snails related to the Planorbidae — compare freshwater limpet
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Merriam-Webster unabridged
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Time Traveler for Ancylidae
The first known use of Ancylidae was in 1865
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