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Geolocation
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Author - title
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Year
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| details | Middle Stephanian | France | Potonie,R. Examples of the natural system of spores, a supplement to the synopsis of the Sporae in situ, 1963 and the research reports from 1965,1967, and 1970 and to the phylogenetic sporolog 1973 | 1975 | |
| details | Westphalian C | Stephanian | Canada(PEI) | Barss,M.S. et al. Palynology and stratigraphy of some Upper Pennsylvanian and Permian rocks of the Maritime Provinces | 1963 |