Leiotriletes labrum
- Citations total:
- 2
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| original | Chesterian | Iowa | Urban,J.B. Palynology and the Independence Shale of Iowa. | 1971 | |
| details | Morrowan | Desmoinesian | Iowa | Ravn,R.L. Palynostratigraphy of the Lower and Middle Pennsylvanian Coals of Iowa | 1986 |