Coordinate data of crocodylian crania (pre-superimposed)

Coordinate data of 78 three-dimensional landmarks from 204 cranial specimens of 10 extant crocodylian species. All specimens, with the exception of Gavialis and Tomistoma, are from non-captive individuals. Raw coordinate data were collected with a G2 Microscribe digitzer (Immersion Corporation, CA, USA) by the principal author (A.W.). The coordinate data is in NTSYS format, in which the digitized specimens have been aligned according to PC axes (x axis = anteroposterior; y axis = mediolateral; z axis=dorsoventral), but still retain their original size. The coordinate points, therefore, have not been subjected to generalized Procrustes superimposition, allowing the user to calculate centroid size. Specimens are labeled in the file with species ID (first three letters of generic and specific names; e.g., allmis = Alligator mississippiensis) followed by their respective institutional specimen number. Please refer to the main article and associated supplementary text file for description of landmarks and additional information on the acquisition and treatment of data.