Chondrina oligodonta ( Del Prete, 1879 )

Kokshoorn, Bas & Gittenberger, Edmund, 2010, Chondrinidae taxonomy revisited: New synonymies, new taxa, and a checklist of species and subspecies (Mollusca: Gastropoda: Pulmonata) 2539, Zootaxa 2539 (1), pp. 1-62 : 40

Chondrina oligodonta ( Del Prete, 1879)

Notes.—Because of the worldwide increasing demand for chalk for cement industries or marbles, limestone hills may be threathened by quarrying ( Armbruster et al. 2007 and references therein; Clements et al., 2006). Chondrina oligodonta ( Del Prete, 1879) is currently the only chondrinid species that has been placed on the IUCN red list as Vulnerable (Seddon M.B. 2000), since “This species has a small range and declining quality of habitat, combined with possible competition from other species, therefore making it Vulnerable”. Its occurrence is restricted to the Alpi Apuane in Italy, which are well known for the origin of the Carrera marbles. Quarrying of these marbles presently poses the greatest threat to the species. In Europe, this is exceptional however, so that most Chondrina species are not endangered by any direct anthopogenic factor.