Ctenaspis

Ctenaspis Temporal range: Early Devonian PreЄ Є O S D C P T J K Pg N
C. dentata
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Pteraspida
Order:	Cyathaspidiformes
Suborder:	Cyathaspidida
Family:	Ctenaspidae
Genus:	Ctenaspis

Ctenaspis is an extinct genus of heterostracan cyathaspid agnathans from the early Devonian of Canada.

species