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New insights in the taxonomy of Mediterranean Diodora (Mollusca, Gastropoda, Fissurellidae)

  • Chrifa Aissaoui (a1) (a2), Nicolas Puillandre (a3) and Philippe Bouchet (a1)

The taxonomy of Mediterranean populations of Diodora is assessed based on new molecular (COI and 28S) data. The recently described Diodora demartiniorum Buzzurro & Russo, 2005, is found to be a valid species restricted to the Gulf of Gabès (Tunisia) but possibly occurring also on the coast of Libya. However, specimens from the Aegean Sea previously identified as D. demartiniorum are molecularly (and morphologically pseudocryptically) distinct and represent a previously unrecognized species here described as D. giannispadai n. sp. It is hypothesized that the current distribution of these two species corresponds to glacial refuges during Pleistocene climate changes.

Corresponding author
Correspondence should be addressed to: C. Aissaoui, Institut de Systématique, Évolution, Biodiversité ISYEB – UMR 7205 – CNRS, MNHN, UPMC, EPHE, Muséum national d'Histoire naturelle, Sorbonne Universités, 55 rue Buffon, F-75005, Paris, France email:
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Journal of the Marine Biological Association of the United Kingdom
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