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Swiss Journal of Palaeontology
Fig. 4 | Swiss Journal of Palaeontology

Fig. 4

From: Strange taphonomy: Late Cretaceous Echinocorys Leske (Echinoidea) as a hard substrate in a modern shallow marine environment

Fig. 4

Echinocorys ex gr. scutata Leske 1778, preserving tests in flint. a, b NNM RGM 617 809, steinkern, not bored, but showing signs of physical abrasion. a Apical surface. b Oral surface; note particularly anterior conchoidal fracturing. c NNM RGM 617 810, external mould of plate columns on a flint cobble; conchoidal fractures in the lower right and upper right, adjacent to the broken ends of this reworked nodule

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