A review of the genus Möllendorff, 1899 (Gastropoda, Pulmonata, Camaenidae).

In this paper an overview of the species is provided, and the intraspecific variability of several species demonstrated on multiple shells. Páll-Gergely, and Páll-Gergely, are described based on specimens found in museum collections. Five new synonyms are recognized: Möllendorff, 1899 is a new synonym of Möllendorff, 1899, Möllendorff, 1899 is a new synonym of (H. Adams, 1870). Möllendorff, 1899, Möllendorff, 1899, and Chen & Zhang, 2004 are moved to the synonymy of Möllendorff, 1899. Furthermore, photos of paratypes of Chen & Zhang, 2004 are published for the first time.