Ordovician
| Use attributes for filter ! | |
| Occurred | 485.4 million years ago - 443.8 (+/- 1.5) million years ago |
|---|---|
| Era | Paleozoic |
| Celesti bodi | Earth |
| Chronolog unit | Period |
| First propos by | Charles Lapworth |
| Epochs | Early Ordovician |
| Middle Ordovician | |
| Upper Ordovician | |
| Okra answer panel environment | Environment |
| Okra answer panel extinction | Extinction |
| Organisms | Endoceras |
| Eocarcinosoma | |
| Arandaspida | |
| Asteriacites | |
| Date of Reg. | |
| Date of Upd. | |
| ID | 3672873 |
About Ordovician
The Ordovician is a geologic period and system, the second of six periods of the Paleozoic Era. The Ordovician spans 41.6 million years from the end of the Cambrian Period 485.4 million years ago to the start of the Silurian Period 443.8 Mya.
Ordovician Photos
