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Geyer, Gerd; Landing, Ed (2016). “The Precambrian–Phanerozoic and Ediacaran–Cambrian boundaries: A historical approach to a dilemma”. Geological Society, London, Special Publications448 (1): 311–349. Bibcode:2017GSLSP.448..311G. doi:10.1144/SP448.10.
Steiner, M.; Li, G.; Qian, Y.; Zhu, M.; Erdtmann, B-D. (October 2007). “Neoproterozoic to Early Cambrian small shelly fossil assemblages and a revised biostratigraphic correlation of the Yangtze Platform (China)”. Palaeogeography, Palaeoclimatology, Palaeoecology254 (1–2): 67–99. Bibcode:2007PPP...254...67S. doi:10.1016/j.palaeo.2007.03.046.
Maloof, A. C.; Porter, S. M.; Moore, J. L.; Dudas, F. O.; Bowring, S. A.; Higgins, J. A.; Fike, D. A.; Eddy, M. P. (2010). “The earliest Cambrian record of animals and ocean geochemical change”. Geological Society of America Bulletin122 (11–12): 1731–1774. Bibcode:2010GSAB..122.1731M. doi:10.1130/B30346.1.
Yuan, X.; Xiao, S.; Parsley, R. L.; Zhou, C.; Chen, Z.; Hu, J. (April 2002). “Towering sponges in an Early Cambrian Lagerstätte: Disparity between nonbilaterian and bilaterian epifaunal tierers at the Neoproterozoic-Cambrian transition”. Geology30 (4): 363–366. Bibcode:2002Geo....30..363Y. doi:10.1130/0091-7613(2002)030<0363:TSIAEC>2.0.CO;2. ISSN0091-7613.
Signor, P.W. & McMenamin, M.A.S. (1988). “The Early Cambrian worm tube Onuphionella from California and Nevada”. Journal of Paleontology62 (2): 233–240. doi:10.1017/S0022336000029863. JSTOR1305228.
Gehling, J.G. & Rigby, J.K. (March 1996). “Long-Expected Sponges from the Neoproterozoic Ediacara Fauna of South Australia”. Journal of Paleontology70 (2): 185–195. doi:10.1017/S0022336000023283. JSTOR1306383.
Yuan, X.; Xiao, S.; Parsley, R. L.; Zhou, C.; Chen, Z.; Hu, J. (April 2002). “Towering sponges in an Early Cambrian Lagerstätte: Disparity between nonbilaterian and bilaterian epifaunal tierers at the Neoproterozoic-Cambrian transition”. Geology30 (4): 363–366. Bibcode:2002Geo....30..363Y. doi:10.1130/0091-7613(2002)030<0363:TSIAEC>2.0.CO;2. ISSN0091-7613.