Fig. 9 in Low durophagous predation on Toarcian (Early Jurassic) ammonoids in the northwestern Panthalassa shelf basin

Fig. 9. Frequency of occurrence of lethal ventral damage on ammonoid shells. Error bars represent 95% binomial confidence intervals. A. Lower Taxon Frequency for the specimens of 7 genera from the Toyora area (see also Table 1). B. Assemblage Frequency for the selected Mesozoic ammonoid samples from different ages and/or regions. * The number is based on near-complete shells.