Cephalaspidida 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 ...
order of jawless fish in the subclass
Cornuata
The class Osteostraci (meaning "bony shells") is an extinct taxon of bony-armored jawless fish, termed "ostracoderms", that lived in what is now North America, Europe and Russia from the Middle Silurian to Late Devonian.
Anatomically speaking, t ...
.
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
Anatol Heintz (9 February 1898 – 23 February 1975) was a Russo-Norwegian palaeontologist.
He was born in Petrograd to the geophysicist Yevgeniy Alfredovich Heintz (1869–1918) and Olga Fyodorovna Hoffmann (1871–1958). He had two older si ...
(1898–1975), a Norwegian palaeontologist who published in 1939 ''Cephalaspida from Downtonian of Norway'', about cephalaspida excavated at Ringerike.
References
*
J. A. Moy-Thomas
James Alan Moy-Thomas (12 September 1908 – 29 February 1944) was an English palaeontological ichthyologist.
Son of Alan Moy-Thomas and his wife Gertrude, he was born in London. He had a younger brother Edward and an older sister Joan Carolin ...
and R. S. Mile. 1971. ''Palaeozoic Fishes''
External links
*
Cephalaspidida at fossilworks.org(retrieved 16 April 2016)
Osteostraci
Prehistoric jawless fish orders
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