Cephalaspidae is an
extinct
Extinction is the termination of a kind of organism or of a group of kinds (taxon), usually a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and ...
family of jawless fish in the class
Osteostraci.
References
* J. A. Moy-Thomas and R. S. Mile. 1971. ''Palaeozoic Fishes''
* T. H. Huxley. 1861. Preliminary essay upon the systematic arrangement of the fishes of the Devonian Epoch. Memoirs of the Geological Survey of Great Britain, decade 10 23:1-40
External links
*
Cephalaspidae at fossilworks.org(retrieved 16 April 2016)
Prehistoric jawless fish families
Osteostraci
{{Paleo-jawless-fish-stub