Cometicercus
Encyclopedia
Cometicercus is an extinct genus of thelodont which lived in Canada
Canada
Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...

 during the Early Devonian period. It is only known from its caudal fin and parts of its dorsal surface, including its dorsal fin.
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
x
OK