Coosina is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived from approximately 501 to 490 million years ago during the Dresbachian faunal stage of the late Cambrian Period.[1][2] It is one of the oldest fossils.

Coosina
Temporal range: Dresbachian[1]
Scientific classification
Kingdom:
Phylum:
Class:
Order:
Genus:
Coosina

References

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  1. ^ a b Sepkoski, Jack (2002). "A compendium of fossil marine animal genera (Trilobita entry)". Bulletins of American Paleontology. 364: 560. Archived from the original on 2006-09-05. Retrieved 2008-01-12.
  2. ^ Rasetti, Franco (1956). "Revision of the Trilobite Genus Maryvillia Walcott". Journal of Paleontology. 30 (5): 1266–1269. ISSN 0022-3360. JSTOR 1300626.