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From
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To
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Geolocation
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Author - title
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Year
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| details | Westphalian C | Texas | Fienning,R.L. et al. Palynology of the Grindstone Creek Formation of the Millsap Lake Group, Lower Strawn, of North Central Texas. | 1976 | |
| details | Nd | Nd | Pashkevich,N.G. Morphological classification of dispersed fossil spores. (In: Practical Palynostratigraphy. L.A. Panova et al, editors) | 1990 |