Cephalaspidida

This article is about the prehistoric fish taxon. For the taxon about gastropods known as bubble snails, see Cephalaspidea.

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

Cephalaspidida
Cephalaspis tenuicornis
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	†Osteostraci
Subclass:	†Cornuata
Order:	†Cephalaspidida Moy-Thomas and Mile 1971
Families
†Cephalaspidae Genus incertae sedis †Superciliaspis
Synonyms
Cephalaspida Cephalaspidiformes

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.