1. Some new species of Proetidae and Otarionidae from the Ashgillian of Girvan;Begg;Geological Magazine,1939
2. Silurian trilobites from near Canberra and some related forms from the Yass Basin;Chatterton;Palaeontographica Abteilung A,1980
3. The Silurian rocks between Guangyuan of Sichuan and Ningqiang of Shaanxi;Chen;Journal of Stratigraphy,1991
4. Summary of the faunas from the Sintan Shale;Grabau;Bulletin of the Geological Survey of China,1925
5. Middle Silurian trilobites from Arkansas and Oklahoma, U.S.A. Part 1;Holloway;Palaeontographica Abteilung A,1980