Bengtson, S. (2004). Lipps, J.H., and Waggoner, B.M., ed. "Neoproterozoic- Cambrian Biological Revolutions"(PDF). Paleontological Society Papers. 10: 67–78. Diarsipkan dari versi asli(PDF) tanggal 2017-02-11. Diakses tanggal 2008-07-18.Parameter |contribution= akan diabaikan (bantuan)Pemeliharaan CS1: Banyak nama: editors list (link)
Holmer, L. E.; Skovsted, C. B.; Larsson, C.; Brock, G. A.; Zhang, Z. (2011). "First record of a bivalved larval shell in Early Cambrian tommotiids and its phylogenetic significance". Palaeontology. 54 (2): no. doi:10.1111/j.1475-4983.2010.01030.x.
Skovsted, C. B.; Brock, G. A.; Paterson, J. R.; Holmer, L. E.; Budd, G. E. (2008). "The scleritome of Eccentrotheca from the Lower Cambrian of South Australia: Lophophorate affinities and implications for tommotiid phylogeny". Geology. 36 (2): 171. doi:10.1130/G24385A.1.
Bengtson, S. (2004). Lipps, J.H., and Waggoner, B.M., ed. "Neoproterozoic- Cambrian Biological Revolutions"(PDF). Paleontological Society Papers. 10: 67–78. Diarsipkan dari versi asli(PDF) tanggal 2017-02-11. Diakses tanggal 2008-07-18.Parameter |contribution= akan diabaikan (bantuan)Pemeliharaan CS1: Banyak nama: editors list (link)