Cephalaspidida Explained

Cephalaspidida is an extinct order of jawless fish in the subclass Cornuata.

See also

• Undichna, a fish-fin, or fish-swimming fossil trail left as a fossil impression on a substrate, or the opposite impression on an overlying substrate
• Anatol Heintz (1898–1975), a Norwegian palaeontologist who published in 1939 Cephalaspida from Downtonian of Norway, about cephalaspida excavated at Ringerike.

References

• J. A. Moy-Thomas and R. S. Mile. 1971. Palaeozoic Fishes

External links

• • Cephalaspidida at fossilworks.org (retrieved 16 April 2016)