Figure 15. Bivariate analysis of the FL/FW ratio and PL/FL ratio of I? oncalensis and other ornithopod ichnotaxa and ornithopod tracks from the Late Jurassic-Early Cretaceous.
Plot showing the bivariate analysis results with FL/FW on the X axis and PL/FL on the Y axis. I?oncalensis (red), Iguanodontipus billsarjeanti (pink), Iguanodontipus burreyi (dark blue), Iguanodontipus from the Huérteles Formation (light green), Dineichnus (light blue), Iguanodontipus from Praia Santa (green), Iguanodontipus sp. from Obernkirchen (yellow), Iguanodontipus from the Purbeck Limestone Group (grey), Iguanodontipus from Regumiel de la Sierra (dark green), Iguanodontipus from Cabezón de Cameros (greyish blue), unnamed tracks from Las Cerradicas (greenish blue).