Comments

Boxplot showing the distribution of the ratio between the distance from the coracoid joint and the cranial end of the acromion process and the height between this and the ventral apex of the glenoidal facet 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 Secernosaurus koerneri (MACN-RN 142). Grey horizontal lines delimit character states.

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