Study on the Bradybaenid Landsnails in NW Sichuan (Gastropoda:Pulmonata:Stylommatophora)

A new species Pseudiberus (Pseudiberus) maoensis sp.nov.was proposed,and the first dissection study was carried out upon Bradybaena (Bradybaena) pseudocampylaea (Moellendorff),Bradybaena (Bradybaena) sueshanensis Pilsbry,and Bradybaena (Bradybaena) controversa monotaeniata Pilsbry.All examined specimens as well as types are housed in the Institute of Zoology,the Chinese Academy of Sciences,Beijing.