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.
