Margherita Toma, Federico Betti, Giorgio Bavestrello, Riccardo Cattaneo-Vietti, Simonepietro Canese, Alessandro Cau, Franco Andaloro, Silvestro Greco, Marzia Bo. 2022. Diversity and abundance of heterobranchs (Mollusca, Gastropoda) from the mesophotic and bathyal zone of the Mediterranean Sea. The European Zoological Journal. DOI: https://doi.org/10.1080/24750263.2022.2033859