Scatter plots of canonical variate 1 against canonical variate 2 (Canonical Variate Analysis), showing the shell morphological relationships among A Laeocathaica distinguenda Möllendorff, 1899 (green dots; a, average shape), L. amdoana Möllendorff, 1899 (blue dots; b, average shape) and L. tropidorhaphe Möllendorff, 1899 (orange dots; c, average shape) B L. qingchuanensis Wu, sp. nov. (green dots; a, average shape), L. stenochone Möllendorff, 1899 (orange dots; b, average shape) and L. carinifera (H. Adams, 1870) (blue dots; c, average shape). Encircled dots: 1, SMF 8959, lectotype; 2, HBUMM05436-spec.1; 3, SMF 8952, lectotype; 4, SMF 9074, lectotype; 5, paratype of L. dangchangensis Chen & Zhang, 2004; 6, SMF 9071, lectotype; 7, syntype, NHMUK 1870.7.16.7. Data for 5 from fig. 7D, 6 and 7 from fig. 12 in Páll-Gergely et al. 2022.