Etheridgaspis

Etheridgaspis; Temporal range: Arenig[1]
Conservation status
	Fossil
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Trilobita
Order:	Proetida
Genus:	Etheridgaspis; Kobayashi 1940

Etheridgaspis is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the Arenig stage of the Ordovician Period,[1] approximately 478 to 471 million years ago. Fossils of the genus have been found exclusively in the Caroline Creek Formation of Australia.

References

Sepkoski, Jack (2002). "A compendium of fossil marine animal genera (Trilobita entry)". Bulletins of American Paleontology. 364: 560. Archived from the original on September 5, 2006. Retrieved 2008-01-12.

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[strata.ummp-1] Sepkoski, Jack (2002). "A compendium of fossil marine animal genera (Trilobita entry)". Bulletins of American Paleontology. 364: 560. Archived from the original on September 5, 2006. Retrieved 2008-01-12.