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Fig. 2 | Journal of Palaeogeography

Fig. 2

From: Labechia carbonaria Smith 1932 in the Early Carboniferous of England; affinity, palaeogeographic position and implications for the geological history of stromatoporoid-type sponges

Fig. 2

Stratigraphy of the Lower Carboniferous sequence in England, showing the Devonian/Carboniferous boundary and the approximate horizon in the Frizington Limestone Formation (=Seventh Limestone of older terminology) that yielded Labechia carbonaria samples (red stars) illustrated in this study. After Waters et al. (2009). Selected biozones based on the older coral-brachiopod zones of Garwood (1913) and current conodont and ammonoid zones (from Dean et al. 2011, Table 2) are shown; Lithostratigraphy for north and west Cumbria areas relevant to this study is from Dean et al. (2011), Fig. 7); see Dean et al. (2011) for explanation of all abbreviations in this figure

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