Siegelsum type N Pflu.,1953
- Citations total:
- 2
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| original | Nd | Nd | Pflug,H.D. Origin and development of the angiosperm pollen in earth history | 1953 | |
| details | Kimmeridgian | Hauterivian | Canada(NWT,Mackenzie) | Fensome,R.A. Miospores from the Jurassic-Cretaceous boundary beds, Aklavik Range, Northwest Territories, Canada. (Incorporating taxonomic reviews of several Groups of Mid-Late Mesozoic miospores) | 1983 |