Perotrilites scabrosus
- Citations total:
- 2
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| original | Callovian | Oxfordian | South Dakota | Griffith,C.E. Palynostratigraphy of the Sundance Formation (Jurassic), of the Black Hills area, South Dakota and Wyoming. | 1972 |
| original | Callovian | Oxfordian | Wyoming | Griffith,C.E. Palynostratigraphy of the Sundance Formation (Jurassic), of the Black Hills area, South Dakota and Wyoming. | 1972 |