Five times over: 42 new Angustopila species highlight Southeast Asia’s rich biodiversity (Gastropoda, Stylommatophora, Hypselostomatidae)

All Angustopila species of the Halong Bay area A A. tonkinospiroides Páll-Gergely & Vermeulen, sp. nov. B A. quadridens Páll-Gergely & Vermeulen, sp. nov. C A. halongensis Páll-Gergely & Vermeulen, sp. nov. D A. babel Páll-Gergely & Vermeulen, sp. nov. E A. fratermajor Páll-Gergely & Vermeulen, sp. nov. F A. apiostoma Páll-Gergely & Vermeulen, sp. nov. G A. fraterminor Páll-Gergely & Vermeulen, sp. nov. H A. psammion Páll-Gergely, Vermeulen & Anker, 2022 I A. cicatricosa Páll-Gergely & Vermeulen, sp. nov. J A. maasseni Páll-Gergely & Vermeulen, sp. nov. K A. hyron Páll-Gergely & Vermeulen, sp. nov. L A. fabella Páll-Gergely & Hunyadi, 2015 M A. megastoma Páll-Gergely & Vermeulen, sp. nov. N A. thersites Páll-Gergely & Vermeulen, sp. nov.