FIG. 9 in Exceptional Skull Of Huayqueriana (Mammalia, Litopterna, Macraucheniidae) From The Late Miocene Of Argentina: Anatomy, Systematics, And Paleobiological Implications

FIG. 9. Braincase of Scalabrinitherium bravardi MACN-PV 13082 from Ituzaingó Formation, Entre Ríos, in A, lateral, B, dorsal, and C, ventral views. Rostral part of specimen extensively damaged; apparent apertures on ventral aspect are not foramina but instead exposed parts of sphenoidal sinus (sphs). Other abbreviations: Al, alisphenoid; eam, external acoustic meatus; Eo, exoccipital; fo, foramen ovale; Fr, frontal; fs, frontal sinus; gf, glenoid fossa; gr, occipital groove; hf, hypoglossal foramen; Hy, hyoid (tympanohyal + stylohyal); m, mastoid process of petrosal; nf, nutrient foramina; oc, occipital condyle; ofs, openings of frontal sinus; on, odontoid notch; Pa, parietal; pap, paracondylar process of exoccipital; pf, piriform fenestra; pgf, postglenoid foramen; pgp, postglenoid process; pr, promontorium; ptc, posttemporal canal; ptp, posttympanic process of squamosal; rf, foramina for rami temporales; smf, stylomastoid foramen; Sq, squamosal; tl, temporal line. Asterisk (*) identifies suture-delimited element, probably interparietal.