Shell and clausilial apparatus of Oospira gouldiana A–C specimen CUMZ 13048 from Bardai Mountain, Kayin State A typical pinkish shell form B clausilial apparatus C not fully adult shell D yellowish shell form, specimen CUMZ 13049 from Kaw Ka Thaung Cave, Kayin State E slender shell form, specimen CUMZ 13052 from Taung Lay Cave, Kayin State F ovate shell form, specimen CUMZ 13053 from Waiponla Mountain, Kayin State. White arrow indicates principalis.

  Part of: Man NS, Lwin N, Sutcharit C, Panha S (2023) Further notes on the taxonomy of the land snail family Clausiliidae Gray, 1855 (Stylommatophora, Helicina) from Myanmar with description of two new species. ZooKeys 1160: 1-59.