Dear Listers

Could you help me with these 3 lots of Bittium, from western Mediterranean?
First and second are from S. France, third from Sicily.
All look quite different, in nodule row number, nodule count, cancellate
sculpture, etc.

Here are the links:

http://www.idscaro.net/sci/unid/

or:

http://www.idscaro.net/sci/unid/bittium_sp1.jpg
http://www.idscaro.net/sci/unid/bittium_sp2.jpg
http://www.idscaro.net/sci/unid/bittium_sp3.jpg


Thanks in advance

Olivier Caro

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