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The Osobb Formation is a geologic formation in Nevada. It preserves fossils dating back to the Triassic period.
| Osobb Formation | |
|---|---|
| Stratigraphic range: Triassic | |
| Type | Geological formation |
| Location | |
| Region |  Nevada |
| Country |  United States |
Cnidarians
| Cnidarians reported from the Osobb Formation | |||||
|---|---|---|---|---|---|
| Genus | Species | Presence | Material | Notes | Images |
| Ampakabastrea | A. cowichanensis | Augusta Mountain.[1] | 3 specimens.[1] | A stony coral also found in Alaska, Vancouver Island & the Luning Formation. | |
| Ceriostella | C. martini | Augusta Mountain.[1] | One specimen (UMIP 7160).[1] | A stony coral also found in Alaaka & the Luning Formation. | |
| Coryphyllidae indetermined genus | Augusta Mountain.[1] | A colony fragment (UMIP 7157).[1] | A stony coral. | ||
| Khytrastrea | K. silberlingi | Augusta Mountains.[1] | 4 specimens.[1] | A stony coral. | |
| Margarogyra | M. silberlingi | Augusta Mountain.[1] | 2 specimens (UMIP 7165 & 7166).[1] | A stony coral also found in the Luning Formation. | |
| Nevadoseris | N. punctata | Cain Mountain & Augusta Mountain.[1] | 6 specimens.[1] | A stony coral also found in the Luning Formation. | |
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