Template:Ivantsov & Fedonkin, 2002
- Ivantsov, A.Yu. & Fedonkin, M.A.. 2002: Conulariid-like fossil from the vendian of Russia: a metazoan clade across the Proterozoic/Palaeozoic boundary. Palaeontology 45(6): 1219–1229. DOI: 10.1111/1475-4983.00283 .