Ariaspis

Ariaspis; Temporal range: Late Silurian - Early Devonian
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Pteraspidomorphi
Subclass:	Heterostraci
Order:	Cyathaspidiformes
Suborder:	Cyathaspidida
Family:	Ariaspidae
Genus:	Ariaspis

Ariaspis is an extinct genus of cyathaspidiform heterostracan agnathan. Fossils are found in marine strata of Canada and Europe from the late Silurian period until its extinction during the Early Devonian. A new species, A. arctata, was described by David K. Elliott and Sandra Swift in 2010.[1]

References

Elliott, David K.; Swift, Sandra (2010). "A new species of Ariaspis(Agnatha, Heterostraci) from the Late Silurian of the Canadian Arctic". Journal of Vertebrate Paleontology. 30 (6): 1874–1878. doi:10.1080/02724634.2010.521900.

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[1] Elliott, David K.; Swift, Sandra (2010). "A new species of Ariaspis(Agnatha, Heterostraci) from the Late Silurian of the Canadian Arctic". Journal of Vertebrate Paleontology. 30 (6): 1874–1878. doi:10.1080/02724634.2010.521900.