Quoting Thomas Eichhorst <[log in to unmask]>:
> According to a fissurellid web site at:
> vieoceane.free.fr/mollusques/Fissurellidae.htm the shells are very
> similar,
> but the animals differ. F. unguis is beige while F. sinensis is black.
> I
> found what looked like the same image used for both species, so who
> knows?
>
> Tom E.
I think S. unguis has fine collabral ("concentric") sculpture. I'm not
sure about S. sinensis. S. antipodes, which is a larger species occurring
in New Zealand and Australia, has no sculpture and a black animal (though
I have seen a pale-beige albino).
----------------------------------------------------------------------
[log in to unmask] - a forum for informal discussions on molluscs
To leave this list, click on the following web link:
http://listserv.uga.edu/cgi-bin/wa?SUBED1=conch-l&A=1
Type your email address and name in the appropriate box and
click leave the list.
----------------------------------------------------------------------