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Fig. 4 | Swiss Journal of Geosciences

Fig. 4

From: Taxonomy and palaeoecology of brachiopods from the South-Helvetic zone of the Fäneren region (Lutetian, Eocene, NE Switzerland)

Fig. 4

Carneithyris subregularis (Quenstedt 1871). Different specimens, Fäneren area. a Shell ornament (NMSG P. 1004). b Internal mould with spatula-like adductor muscle scars on dorsal valve (NMSG P. 1005). c Internal mould of an odd-shaped beak area, sculptured by callosities in posterior part of the shell (NMSG P. 1006). d Longitudinal shell cut, showing white infillings of calcite accumulation in the beak area (NMSG P. 1007). All scale bars: 1 cm

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