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Author - title
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Year
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| details | Ordovician | Ireland | Smith,D.G. Progress in Irish Lower Palaeozoic palynology. | 1981 | |
| details | Llanvirnian | S.Ireland(Westmeath) | Morris,J.H. The stratigraphy of the Lower Paleozoic rocks in the western end of the Longford Down Inlier, Ireland. | 1983 |