Protaspis

{{Short description|Extinct genus of jawless fishes}}

{{Automatic Taxobox

| fossil_range = Late Emsian

| taxon = Protaspis

| authority = Bryant, 1933

| type_species = Pteraspis bucheri

| type_species_authority = Bryant, 1932

| subdivision_ranks = Species

| subdivision =

• 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.