Steiner, M.; Fatka, O. I. (1996). "Lower Cambrian tubular micro-to macrofossils from the Paseky Shale of the Barrandian area (Czech Republic)". Paläontologische Zeitschrift. 70 (3–4): 275. Bibcode:1996PalZ...70..275S. doi:10.1007/BF02988075. S2CID128966084.
Butterfield, N. J.; Harvey, T. H. P. (2011). "Small carbonaceous fossils (SCFs): A new measure of early Paleozoic paleobiology". Geology. 40: 71–74. doi:10.1130/G32580.1.
Wright, A. E.; Fairchild, I. J.; Moseley, F.; Downie, C. (2009). "The Lower Cambrian Wrekin Quartzite and the age of its unconformity on the Ercall Granophyre". Geological Magazine. 130 (2): 257. doi:10.1017/S0016756800009900. S2CID128393051.
Jago, J. B.; Zang, W. L.; Sun, X.; Brock, G. A.; Paterson, J. R.; Skovsted, C. B. (2006). "A review of the Cambrian biostratigraphy of South Australia". Palaeoworld. 15 (3–4): 406. doi:10.1016/j.palwor.2006.10.014.
Kovalevych, V. M.; Zang, W. -L.; Peryt, T. M.; Khmelevska, O. V.; Halas, S.; Iwasinska-Budzyk, I.; Boult, P. J.; Heithersay, P. S. (2006). "Deposition and chemical composition of early Cambrian salt in the eastern Officer Basin, South Australia". Australian Journal of Earth Sciences. 53 (4): 577. Bibcode:2006AuJES..53..577K. doi:10.1080/08120090600686736. S2CID140600170.
Steiner, M.; Fatka, O. I. (1996). "Lower Cambrian tubular micro-to macrofossils from the Paseky Shale of the Barrandian area (Czech Republic)". Paläontologische Zeitschrift. 70 (3–4): 275. Bibcode:1996PalZ...70..275S. doi:10.1007/BF02988075. S2CID128966084.
Kovalevych, V. M.; Zang, W. -L.; Peryt, T. M.; Khmelevska, O. V.; Halas, S.; Iwasinska-Budzyk, I.; Boult, P. J.; Heithersay, P. S. (2006). "Deposition and chemical composition of early Cambrian salt in the eastern Officer Basin, South Australia". Australian Journal of Earth Sciences. 53 (4): 577. Bibcode:2006AuJES..53..577K. doi:10.1080/08120090600686736. S2CID140600170.
Steiner, M.; Fatka, O. I. (1996). "Lower Cambrian tubular micro-to macrofossils from the Paseky Shale of the Barrandian area (Czech Republic)". Paläontologische Zeitschrift. 70 (3–4): 275. Bibcode:1996PalZ...70..275S. doi:10.1007/BF02988075. S2CID128966084.
Wright, A. E.; Fairchild, I. J.; Moseley, F.; Downie, C. (2009). "The Lower Cambrian Wrekin Quartzite and the age of its unconformity on the Ercall Granophyre". Geological Magazine. 130 (2): 257. doi:10.1017/S0016756800009900. S2CID128393051.
Kovalevych, V. M.; Zang, W. -L.; Peryt, T. M.; Khmelevska, O. V.; Halas, S.; Iwasinska-Budzyk, I.; Boult, P. J.; Heithersay, P. S. (2006). "Deposition and chemical composition of early Cambrian salt in the eastern Officer Basin, South Australia". Australian Journal of Earth Sciences. 53 (4): 577. Bibcode:2006AuJES..53..577K. doi:10.1080/08120090600686736. S2CID140600170.