951836.fig.004
Figure 4: Lateral view of the skull of Meiglyptes tristis. CrC1: C1 crest; E: squamosal region; ET: ectethmoid region; ETPj: ethmoid bony projection; foc: foramen; fop: optical foramen; J: jugal arch; L: lacrimal region; LA: laterosphenoid bone; NA: nostril; P: parietal region; PjJ: jugal projection; PrMa: mandibular process of the quadrate bone; PrOr: orbital process of the quadrate bone; PrPO: postorbital process; PrSm: suprameatic process; PrZ: zygomatic process; PT: pterygoid bone; Q: quadrate bone; SI: interorbital septum; sno: olfactory ridge; O: occiptal region.