Landmark and semi-landmark configurations.

<p>A, landmark configuration for skull in lateral view. B, landmark configuration for skull in dorsal view. C and D are subunits of the skull configuration. Landmarks have identical definitions. See Table C in <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0126464#pone.0126464.s003" target="_blank">S1 File</a> for landmark definitions.