Chen X, Zhang Y D, Li Y. 1995. Ordovician basin analysis of China. In: Cooper J D, Droser M L, Finney S C, eds. Ordovician Odyssey: Short Papers for the Seventh International Symposium on the Ordovician System. 245-250
[2]
Elles G L, Wood E M R. 1907. A Monograph of British Graptolites, Part VI. London: Palaeontogr Soc, xcvii-cxx. 217-272
[3]
Elles G L, Wood E M R. 1908. A Monograph of British Graptolites, Part VII. Longdon: Palaeontogr Soc, cxxi-cxlviii. 273-358
[4]
Fan J X, Chen Q, Hou X D, et al. 2013. Geobiodiversity database: Acomprehensive section-based integration of stratigraphic and paleontological data. Newsl Stratigr, 46: 111-136
[5]
Jones O T. 1909. The Hartfell-Valentian succession in the district around Plynlimon and Ponterwyd. Q J Geol Soc London, 65: 463-537
[6]
Koren’ T N, Mikhaylova N F, Tsay D T. 1980. Klass Graptolithina, Graptolity (in Russian). In: Apollonov M K, Bandaletov S M, Nikitin I F, eds. The Ordovician-Silurian Boundary in Kazakhstan. Russian: Nauka, Kazakh SSR Publishing House. 121-170
[7]
Li J J. 1984. Graptolites across the Ordovician-Silurian boundary from Jingxian, Anhui. In: Nanjing Institute of Geology and Palaeontology, Academia Sinica, eds. Stratigraphy and Palaeontology of Systemic Boundaries in China: Ordovcian-Silurian Boundary (1). Hefei: Anhui Science and Technology Publishing House. 309-370
[8]
Loydell D K, Cave R. 1993. The Telychian (Upper Llandovery) stratigraphy of Buttington Brick Pit, Wales. Newsl Stratigr, 29: 91-103
[9]
Rong J Y, Chen X, Su Y Z, et al. 2003. Silurian paleogeography of China. In: Langing E, Johnson M E, eds. Silurian Lands and Seas: Paleogeography Outside of Laurentia. New York State Museum Bulletin, 293. Albany: New York State Education Department. 243-298
[10]
Sun Y C. 1933. Ordovician and Silurian graptolites from China. Pal Sin New Ser B, 14: 1-52
[11]
Zalasiewiz J A, Taylor L, Rushton A W A, et al. 2009. Graptolites in British stratigraphy. Geol Mag, 146: 785-850
Chen X, Rong J Y, Li Y, et al. 2004. Facies patterns and geography of the Yangtze region, South China, through the Ordovician and Silurian transition. Paleogeogr Paleoclimatol Paleoecol, 204: 353-372
