Description: English: Specimen of Shell (Mollusca) from the Gulf of Tonkin, collected by the Natural History Museum of Guangxi, and exhibited at Beijing Museum of Natural History in 2017. Date: 13 July 2017, 12:27:33. Source: Own work. Author: Bjoertvedt. Camera location39° 52′ 53.87″ N, 116° 23′ 37.21″ EView all coordinates using: OpenStreetMap 39.881631; 116.393669.