Comments

Boxplot showing the distribution of the ratio between the minimum depth of the caudal constriction and he distance between the point of maximum curvature of the infratemporal margin and the caudal margin of the lacrimal process .The inserted smaller graph shows the Bayesian information criterion (BIC) for various numbers of clusters in which the data can be classified. The photograph at the lower right corner shows how the two variables of this raio were measured, exemplified in a jugal of Edmontosaurus sp. (MOR 601).

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