Coosina

Coosina
Temporal range: Dresbachian
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Arthropoda
Clade: †Artiopoda
Class: †Trilobita
Order: †Ptychopariida
Family: †Crepicephalidae
Genus: †Coosina
Rasetti, 1956

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. It is one of the oldest fossils.

References

  1. 1 2 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.