Sporangiostrobus langfordi
- Citations total:
- 4
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| original | Middle Pennsylvanian | Illinois | Chaloner,W.G. On Sporangiostrobus langfordi sp.nov., a new fossil Lycopod cone from Illinois. | 1956 | |
| details | Pennsylvanian | Illinois | Potonie,R. Synopsis of the Sporae in situ. | 1962 | |
| details | Late Carboniferous | Illinois | Boureau,E. et al. Paleobotanical Treatise. 2. Bryophyta, Psilophyta, Lycophyta. | 1968 | |
| details | Carboniferous | USA | Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. | 1995 |