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![](./img/clear.gif) 1.- A new goniatite Homoceratoides fortelifer of Millstone Grit Upper Reticuloceras Age
Ramsbottom, W.H.C.
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![](./img/clear.gif) 2.- Major cycles of transgression and regression (mesothems) in the Namurian
Ramsbottom, W.H.C.
[S.l.]: Yorkshire Geological Society, 1977
Proceedings of the Yorkshire Geological Society
Cª 335-21
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