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Fig. 2 | Swiss Journal of Palaeontology

Fig. 2

From: Taphonomy and palaeoecology of the green Devonian gypidulid brachiopods from the Aferdou El Mrakib, eastern Anti-Atlas, Morocco

Fig. 2

Gypidulid brachiopod-occurrences on Aferdou El Mrakib, Maïder, Morocco. a Freshly broken rock with Ivdelinia pulchra (left) and Devonogypa sp. (top, centre); note the green colour; all specimens preserved with both valves, i.e. an autochthonous to parautochthonous occurrence; pocket knife for scale (length 9 cm); b > 1 m thick limestone layer composed mostly of Ivdelinia pulchra; hammer for scale (length 30 cm); c layer with large Devonogypa sp. with thick internal cement crusts; note the greenish shell colour; pocket knife for scale; d ca. 1 m thick lense with Ivdelinia pulchra, which occurs in rockforming numbers; hammer for scale (length 30 cm); e Devonogypa sp., weathered out of the mound-limestones; f ca. 30 cm thick limestone with many isolated allochthonous gypidulid shells

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