Article · Wikipedia archive · Last revised Jun 6, 2026

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.

Last revised
Jun 6, 2026
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Protaspis
Temporal range: Late Emsian
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Chordata
Infraphylum: Agnatha
Class: Pteraspidomorpha
Subclass: Heterostraci
Order: Pteraspidiformes
Family: Protaspididae
Genus: Protaspis
Bryant, 19331
Type species
Pteraspis bucheri
(Bryant, 1932)

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.

The following species are assigned to this genus:1

  • Protaspis brevirostris Bryant, 1933
  • Protaspis brevispina Denison, 1970
  • Protaspis bucheri (Bryant, 1932)
  • Protaspis cingulus Bryant, 1933
  • Protaspis constrictus Bryant, 1933
  • Protaspis dorfi (Bryant, 1932)
  • Protaspis erroli (Denison, 1967)
  • Protaspis mcgrewi Denison, 1970
  • Protaspis transversa (Denison, 1970)
References

References