Annotated checklist of the operculated land snails from Thailand (Mollusca, Gastropoda, Caenogastropoda): the family Pupinidae, with descriptions of several new species and subspecies, and notes on classification of Pupina Vignard, 1829 and Pupinella Gray, 1850 from mainland Southeast Asia

Shells of Pupina artata species group from mainland Southeast Asia A–M Pupina artata A syntype UMZC I.102960.A and specimens B CUMZ 12011 C CUMZ 12023 D CUMZ 12038 E CUMZ 12026 F CUMZ 12015 G CUMZ 12009 H CUMZ 12001 I CUMZ 12003 J NHMUK 1906.4.4.28 K CUMZ 12037 L CUMZ 12031, and M CUMZ 12018 N, O Pupina pallens N lectotype SMF 109951 and O specimen CUMZ 12042 P–R Pupina limitanea P, Q syntypes NHMUK 1903.7.1.2967 and R specimen CUMZ 12044 S Pupina billeti, holotype MNHN-IM-2000-35841 T Pupina verneaui, syntype MNHN-IM-2000-35843 U, V Pupina hungerfordiana, specimens NHMUK 91.3.14.686–7 W, X Pupina bensoni sp. nov. W holotype CUMZ 12045/1 and X paratype CUMZ 12046/1. Photo: H. Taylor, NHM (A, P, Q), P. Maestrati, MNHN (S, T).