A New Crocodylian from the Late Maastrichtian of Spain: Implications for the Initial Radiation of Crocodyloids
Figure 4
Skull of Arenysuchus gascabadiolorum (ELI-1).
A–B, ventral view. C–D, posterior view. Hatched grey pattern represents broken surfaces. Anatomical Abbreviations: bo, basioccipital; bs, basisphenoid; cap, capitate process; ch, choana; ec, ectopterygoid; ex, exoccipital; f, frontal; fa, foramen aërum; fm, foramen magnum; fo, foramen ovale; if, incisive foramen; ju, jugal; ls, laterosphenoid; m, maxilla; mt10, maxillary tooth 10; mt11, maxillary tooth 11; n, nasal; op, 7th–8th occlusion pit; or, orbit; p, parietal; pl, palatine; pm, premaxilla; pmn, premaxillomaxillary notch; pmt, premaxillary tooth; po, postorbital; pt, pterygoid; q, quadrate; so, supraoccipital; sof, suborbital fenestra; sq, squamosal; stf, supratemporal fenestra; A and B, muscle scars on the quadrate.