Protaspis Knowpia

Protaspis; Temporal range: Late Emsian
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Infraphylum:	Agnatha
Class:	†Pteraspidomorphi
Subclass:	†Heterostraci
Order:	†Pteraspidiformes
Family:	†Protaspididae
Genus:	†Protaspis; Bryant, 1933
Type species
	Pteraspis bucheri; Bryant, 1932
Species
	Protaspis bucheri (Bryant, 1932); Protaspis dorfi (Bryant, 1932); Protaspis macgrewi Denison, 1970;

Protaspis is an extinct genus of pteraspidid heterostracan agnathan which lived during the Early Devonian of the United States, with fossils found in marine strata in what is now Utah, Wyoming and Idaho.

Summary