Summary[edit] Description: English: Specimen of shell (Mollusca) from the Gulf of Tonkin, in the Beijing Museum of Natural History (2017). Collection belonging to the Natural History Museum of Guangxi. Date: 13 July 2017, 12:42:53. Source: Own work. Author: Bjoertvedt. Camera location 39° 52′ 53.37″ N, 116° 23′ 37.7″ E: View all coordinates using: OpenStreetMap - Google Earth: 39.881492; 116.393806.
Summary[edit] Description: Type specimen of Argonauta joanneus (87 mm diameter at widest point). Date: 1915. Source: Hilber, V. 1915. Der älteste bekannte und erste miozäne Argonauta.PDF Mitteilungen des naturwissenschaftlichen Vereins für Steiermark 51: 107–110. Author: Vinzenz Hilber.