The ultimate goal of this project, The Conchological Albums – Terrestrial Molluscs, is to figure the world's biodiversity of land snails as completely as possible. Volume 13 of this series figures 709 shells that belong to 220 different species and 141 subspecies.
Treated genera: Agathylla, Albinaria, Alopia, Barcania, Carinigera, Charpentieria, Cochlodina, Cristataria, Heriella, Inchoatia, Isabellaria, Lampedusa, Leucostgma, Macedonica, Mauritanica, and Tirolica.