Fig. 2. Sketches illustrating anomiid and trace morphology. A in Centrichnus eccentricus revisited: A new view on anomiid bivalve bioerosion

Fig. 2. Sketches illustrating anomiid and trace morphology. A. Shell exterior of left valve. B. Shell interior of right valve. C. Morphological features and measured dimensions of Centrichnus eccentricus. D. Schematic cross section of a living anomiid attached to the substrate illustrating the position of etching traces (modified after Yamaguchi 1998).