Comments

Geometry of the narial foramen. A, BIC plot for various clustering models of the NMMDS derived from the GDA dissimilariy matrix. B, coordinate projection of the NMMDS data showing chosen clustering into three states. Abbreviations of clustering models: EII = spherical, equal volume and shape; VII = sperical, variable volume, equal shape; EEI = diagonal, equal volume and shape; VEI = diagonal, variable volume, equal shape; EVI = diagonal, equal volume, variable shape; VVI = diagonal, variable volume and shape; EEE = ellipsoidal, equal volume, shape and orientation; EEV = ellipsoidal, equal volume and shape, variable orientation; VEV = ellipsoidal, variable volume, equal shape; VVV = ellipsoidal, variable volume and shape (Fraley and Raftery, 2003).

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