Coosina
Extinct genus of trilobite
From Wikipedia, the free encyclopedia
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: | Animalia |
| Phylum: | Arthropoda |
| Clade: | †Artiopoda |
| Class: | †Trilobita |
| Order: | †Ptychopariida |
| Family: | †Crepicephalidae |
| Genus: | †Coosina Rasetti, 1956 |
