Spencerites sp
- Citations total:
- 4
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| details | Carboniferous | Permian | Nd | Remy,W. Monosaccate pteridospermous pollen of the Carboniferous and Permian as well as general considerations of Paleozoic pollen with air sacs. | 1954 |
| details | Desmoinesian | Kansas | Leisman,G.A. A Spencerites sporangium and associated spores from Kansas. | 1962 | |
| details | Desmoinesian | Kansas | Leisman,G.A. A Spencerites sporangium and associated spores from Kansas. | 1962 | |
| details | Desmoinesian | Kansas | Leisman,G.A. A Spencerites sporangium and associated spores from Kansas. | 1962 |