et al.
Proceedings of the National Academy of Sciences of the USA,
Collins A. G., Lieberman B. S. (2007) Exceptionally preserved jellyfishes from the Middle Cambrian. PLoS ONE, 2 (10), e1121. DOI: 10.1371/journal.pone.0001121.
PLoS ONE,
Conway Morris S., Collins D. H. (1996) Middle Cambrian ctenophores from the Stephen Formation, British Columbia Canada. Proceedings of the Royal Society of London B: Biological Sciences, 351, 279–308.
Proceedings of the Royal Society of London B: Biological Sciences,
Cope J. C. W. (2005) Octocorallian and hydroid fossils from the Lower Ordovician of Wales. Palaeontology, 48, 433–45.
Palaeontology,
Copper P. (1985) Fossilized polyps in 430-myr-old Favosites corals. Nature, 316, 142–4.
Favosites
. Nature,
Coronado I., Pérez-Huerta A., Rodríguez S. 2013. Primary biogenic skeletal structures in Multithecopora (Tabulata, Pennsylvanian). Palaeogeography, Palaeoclimatology, Palaeoecology, 386, 286–99.
Coronado I., Pérez-Huerta A., Rodríguez S.
Multithecopora
Palaeogeography, Palaeoclimatology, Palaeoecology,
Cortijo I. et al. (2015) Life history and autoecology of an Ediacaran index fossil: Development and dispersal of Cloudina. Gondwana Research, 28, 419–24.
et al.
Cloudina. Gondwana Research,
Cuif J.-P. (1971) Structure et position systematique du genre Heterastridium Reuss 1865 (Hydrozoaire). Geobios, 4, 69–79.
Heterastridium