Triletes gracilis
- Citations total:
- 4
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Author - title
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| original | Westphalian D | Czechoslovakia | Zerndt,J. Megaspores from the Westphalian and Stephanian in Bohemia. | 1937 | |
| details | Middle Pennsylvanian | Illinois | Brokaw,A.L. Spores from Coal No.5 (Springfield-Harrisburg) in Illinois. | 1942 | |
| details | Nd | Nd | Schopf,J.M. et al. An annotated synopsis of Paleozoic fossil spores and the definition of generic groups. | 1944 | |
| details | Nd | Nd | Winslow,M.R. Upper Mississippian and Pennsylvanian megaspores and other plant microfossils from Illinois. | 1959 |