David,
Do you have a citation for Rafinesque's description?

Aydin
snailstales.blogspot.com


On Mon, 11 Feb 2008 16:00:42 -0600, David Campbell <[log in to unmask]>
wrote:

>Helicopsyche is the genus for the snail-like cased caddisflies.  A few
>pictures can be found here:
>http://bugguide.net/node/view/52473/bgimage
>
>They can be frustrating when you're looking for hydrobiids.  Both
>Rafinesque and Lea described forms as snails.
>

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