Ancyrospora sp. McGr.& Owen.,1966
- Citations total:
- 2
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| original | Nd | Nd | McGregor,D.C. Lower and Middle Devonian spores of eastern Gaspe, Canada.1.Systematics. | 1973 | |
| original | Middle Frasnian | Late Frasnian | Maryland | Curry,R.P. Upper Devonian miospores from the Greenland Gap Group, Allegheny Front, Eastern United States. | 1973 |