Acaulangium bulbaceus
- Citations total:
- 2
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| details | Late Pennsylvanian | Illinois | Millay,M.A. Acaulangium, gen.nov., a fertile Marattialean from the Upper Pennsylvanian of Illinois. | 1977 | |
| details | Carboniferous | USA | Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. | 1995 |