Figure 5.

Evolution of Dmx, FCI, NLb and OLb in auguritids and pinacitids. Bivariate plots of the evolution of adult size, flank convergence index, number of lobes and relative depth of the lateral lobe through the phylogenetic sequence of the two studied ammonoid lineages, separately. Grey line indicates empirical evolutionary trend.

Monnet et al. BMC Evolutionary Biology 2011 11:115   doi:10.1186/1471-2148-11-115
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