Comments

Boxplot showing the distribution of the ratio between the dorsoventral width of the proximal constriction and the dorsoventral depth of the cranial end of the scapula for a sample of iguanodontoidean ornithopods. The inserted smaller graph shows the Bayesian information criterion (BIC) for various numbers of clusters in which the data can be classified. The photograph shows how the two variables of this raio were measured, exemplified in a scapula of Gryposaurus latidens (AMNH 5465). Grey horizontal lines delimit character states.

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