Figure 1
From: A non-lethal method to assess element content in the endangered Pinna nobilis

P. nobilis shells. (left) A schematic representation of a P. nobilis, in yellow the portion of shell collected for a first analysis. (right) Pictures of the extern and intern of the shell valves of P. nobilis from site (A) (about 40 cm long) and site (B) (about 60 cm long); two different morphology of the shell can be observed. Scale bar: 10 cm.