Here's another guess from the native plant group:

? ? ?

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[log in to unmask] wrote:

> Jeanne
>
> They do look like native snails. The genus may be Helminthoglypta, but there's
> another genus that looks similar. Your's sound young. I don't think these are
> carnivorous. You might try the Santa Barbara Museum of Natural History: they've a
> "snail person" there.
>
> www.sbnature.org
>
> Have fun!
>
> Kathy Rindlaub
>

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> "Jeanne M. Wilson" <[log in to unmask]>wrote:
>
> > Hello,
> >
> > ...some little "critters" I noticed in my garden starting several years ago.
> > [see the pictures: http://members.telocity.com/~jlmw1815/snails ]
> > These appear to be tiny snails (shells about 3/8 to 5/8 " across, and only
> > about 1/8 to 1/4 " thick).  The tightly coiled flat shell is carried almost
> > horizontally across the snail's bluish-grey body.  I have never, ever seen
> > these snails eating plants, or even ON my plants.
> >
> > To me, they look somewhat like the carnivorous snails (but smaller)
> > described in some literature as having a taste for eating the big, fat
> > snails imported from Europe....
>
> Dan Yoshimoto wrote:
>
> > Paul,
> >         I checked the web site and your snail looks like Haplotrema
> > vancouverensis, Len, 1839.  We have them in our forests and cleared
> > landsites here.  My friend has them also in his forests.  They are
> > predators (carnivourous) and don't eat plants, but do eat our other native
> > snails....
>
> Phil Liff-Grieff wrote:
>
> > ...based on the photos
> > and the size given for these critters, it is likely that you've got Oxychilus
> > draparnaldi, a glass snail that is found throughout Europe and many parts of the
> > US.  This species was probably introduced into the US in the mi