1. Bush, V.A., Kheraskova, T.N., and Samygin, S.G., Breakup and erly stages of evolution of the Paleoasian Ocean, Tez. dokl. na 33 Mezhd. Geol. Kongr. (Abstr. 33rd IGC Int. Geol. Congr.), Oslo, 2008.
2. Chen Jin-Yuan, Zhou Gui-Qing, and Ramsköld, L., The Cambrian lobopodian Microdictyon sinicum, Bull. Brit. Mus. Nat. Hist., 1995, no. 5, pp. 1–93.
3. Chuang Shou-hwa, The structure and function of the alimentary canal in Lingula anatine, Proc. Zool. Soc. London, 1959, vol. 132, pp. 283–311.
4. Chuang Shou-hwa, The larvae of a discinid (Inarticulata, Brachiopoda), Biol. Bull., 1968, vol. 135, no. 2, pp. 263–272.
5. Chuang Shou-hwa, Larval development in Discinisca (Inarticulata, Brachiopoda), Am. Zool., 1977, vol. 17, no. 1, pp. 39–53.