The ultimate goal of this project The Conchological Albums – Terrestrial Molluscs is to figure world's biodiversity of land snails as complete as possible. Volume 11 of this series figures 548 shells that belong to 165 different species and 27 subspecies. This volume completes the treatment of the snail family Camaenidae and an addition treats the families Canariellidae, Caryodidae, Cepolidae, and Cerastidae.
Treated genera: Dolichostyla, Dryocochlias, Helicobulinus, Helicostyla, Hypselostyla, Leytia, Mesanella, Phengus, Phoenicobius, Trachystyla, Pyrochilus, Canariella, Montserratina, Schileykiella, Tyrrheniellina, Anoglypta, Caryodes, Hedleyella, Pedinogyra, Cepolella, Laevicepolis, Guladentia, Hemitrochus, Coryda, Eurycampta, Cepolis, Jeanneretia, Plagioptycha, Polymita, Dialeuca, Achatinelloides, Passamaella, Cerastus, Conulinus, Euryptyxis, Pachnodus, Rhachistia, Nesiocerastus, Rachis, Zebrinops, and Gittenedouardia.