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An annotated synopsis of Paleozoic fossil spores and the definition of generic groups.
| Schopf, J.M., Wilson, L.R. and Bentall, R. | |
| 1944 | |
| Illinois State Geological Survey, Report of Investigations, no.91, p.1-66, pl.1-3. | |
| An annotated synopsis of Paleozoic fossil spores and the definition of generic groups. |
Schopf, J.M., Wilson, L.R. and Bentall, R., 1944: An annotated synopsis of Paleozoic fossil spores and the definition of generic groups; Illinois State Geological Survey, Report of Investigations, no.91, p.1-66, pl.1-3.