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Geolocation
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Author - title
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Year
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| details | Westphalian C | Westphalian D | Illinois | Willard,D.A. Lycospora from Carboniferous Lepidostrobus compressions. | 1989 |
| details | Westphalian C | Westphalian D | USA(Appalachian Bn.) | Willard,D.A. Lycospora from Carboniferous Lepidostrobus compressions. | 1989 |
| details | Nd | Nd | Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. | 1995 |