Protaspis

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.

Protaspis Temporal range: Late Emsian
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Subphylum:	Vertebrata
Infraphylum:	Agnatha
Class:	†Pteraspidomorpha
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