cincinnus (from the greek  kikinnos) not only mean "curly hair" but
also "wringled"
or "ringlet".
But may be an error of Ferussac for "Concinnus" (beatiful). In this case anyway
Cincinnus should  be considered as a valid name
All the best
Riccardo Giannuzzi Savelli




>Hello !
>
>Is there around someone to help a French even if she is suffering
>from "closedmindedism" !
>
>I'm looking for the etymology of the subgenus Cincinna (Hübner,
>1810) Férussac, 1821.
>
>Cincinna is a subgenus of Valvata O.F. Müller, 1774 which are
>freshwater gastropods. Valvata seems to come from the latin
>valvatus, a, um  which means "having folding doors". It might be
>related to the fact that the Valvata species have an operculum.
>
>In Latin, cincinnus seems to mean "curly hair". I have some trouble
>to find any connection with the concerned shells as the ones I've
>seen are hairless, but they might be hairy Cincinna ???? It might
>also be a reference to the bipectinate ctenidium which comes out of
>the mantle cavity of the Valvata but I'm suspicious about that.
>The relation to Lucius Quinctius Cincinnatus, the Roman hero is
>doubtful, as well as with the city of Cincinnati !
>
>Well, thank you in advance to anyone who can help me !
>
>Sophie

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