Osobb Formation
# Osobb Formation

The Osobb Formation is a geologic formation in Nevada. It preserves fossils dating back to the Triassic period.

## Fossil content

### Cnidarians

Cnidarians reported from the Osobb Formation :

| Genus | Species | Presence | Material | Notes |
| - | - | - | - | - |
| Ampakabastrea | A. cowichanensis | Augusta Mountain. | 3 specimens. | A stony coral also found in Alaska, Vancouver Island & the Luning Formation. |
| Ceriostella | C. martini | Augusta Mountain. | One specimen (UMIP 7160). | A stony coral also found in Alaaka & the Luning Formation. |
| Coryphyllidae indetermined genus | | Augusta Mountain. | A colony fragment (UMIP 7157). | A stony coral. |
| Khytrastrea | K. silberlingi | Augusta Mountains. | 4 specimens. | A stony coral. |
| Margarogyra | M. silberlingi | Augusta Mountain. | 2 specimens (UMIP 7165 & 7166). | A stony coral also found in the Luning Formation. |
| Nevadoseris | N. punctata | Cain Mountain & Augusta Mountain. | 6 specimens. | A stony coral also found in the Luning Formation. |
