Shells are small and thin, fragile and transparent, in the shape of slender towers. The shell has an area of 7.5 ~ 9 mm, a width of 3 ~ 7.5 ~ 9 mm and 6.5 ~ 8 spiral layers. Each spiral layer grows slowly and evenly, slightly expands, and the spiral part is tall and tapering, showing a tower shape. The snail layer of the body grows slightly faster and expands. The top of the shell is blunt and the suture line is deep. The shell surface is yellow-brown or yellow-white, with dense and slender growth lines, which are thicker on the snail layer. The mouth of the shell is oval, the mouth edge is simple, complete, thin, sharp and brittle, the outer lip forms an acute angle with the body snail layer, the shaft edge is straight and slightly folded outward, and the inner lip adheres to the body snail layer, forming an inconspicuous callus. No umbilicus. Classification system: Animal kingdom-Mollusca: Mollusca-Gastropoda: Gastropoda-Pneumopoda: Spirulina pulmona-Colata: Stemona-Oncomelanidae: Oncomelania-Concha: scientific name: Hutton, CITES name: Pinyin: XìZuānLuó Classification level: species description: origin of the original type specimen.