1- Difficult and tricky: what are the differences between Donax cuneatus
Linnaeus, and Donax semigranosus Dunker?
It seems Internet offers strange mixtures, and my books, even the
japanese ones, show too small drawings to be of any use.

2- Other question : what is really a Donax faba ? Beside faba itself,
are they other Donax (Laztona) living in the same Indo-Pacific area? Or
is faba a species of hight variability (sculpture, shape) ? Is there an
eastern subspecies or form, and a western one?

Heelp!...

See some of these monsters here:
http://www.idscaro.net/sci/03_myst/index.htm
Pics 107-108-109-110 & 412-414

Olivier

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