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Swiss Journal of Palaeontology
Fig. 1 | Swiss Journal of Palaeontology

Fig. 1

From: The holdfast of Finitiporus boardmani (Echinodermata: Diploporita) in the Silurian Massie Formation of the Cincinnati Arch region, USA

Fig. 1

Geographical and stratigraphical setting of the material described in this study. See Thomka and Brett (2014b, 2015a, b) for more detailed descriptions of palaeogeographic and sequence stratigraphic context. a Location of the Napoleon quarry in southeastern Indiana, USA. b Stratigraphy of units exposed at the study site, with the approximate position of the specimen marked by the star. Note that the star is immediately adjacent to a microbioherm in the basal Massie Formation. Scale bar  1 m. Figure slightly modified from Thomka et al. (2016b)

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