▁f ossa ▁surrounding ▁it . ▁Much ▁of ▁the ▁b one ▁that ▁forms ▁the ▁sn out ▁has ▁small ▁p its ▁and ▁gro ov es ▁running ▁along ▁it . ▁The ▁pre max illa ▁has ▁a ▁large ▁d ors al ▁portion ▁which ▁frames ▁the ▁external ▁n ares ▁and ▁fits ▁between ▁the ▁max illa ▁and ▁the ▁nas al ▁b one , ▁which ▁has ▁led ▁to ▁the ▁suggestion ▁that ▁there ▁may ▁have ▁been ▁f les hy ▁soft ▁t issues ▁around ▁this ▁area ▁in ▁life . ▁Each ▁pre max illa ▁has ▁two ▁dent al ▁al ve oli , ▁although ▁only ▁one ▁of ▁the ▁four ▁teeth ▁remains ▁in ▁the ▁sk ull , ▁and ▁a ▁rough , ▁rug ose ▁surface ▁where ▁there ▁are ▁no ▁al ve oli . ▁A ▁small ▁gap ▁between ▁the ▁last ▁pre max ill ary ▁and ▁first ▁max ill ary ▁al ve ol us ▁was ▁probably ▁where ▁a ▁large ▁to oth ▁from ▁the ▁mand ible ▁fitted ▁in ▁when ▁the ▁j aws ▁were ▁closed . ▁The ▁max illa e ▁are ▁large , ▁although ▁quite ▁short , ▁and ▁had ▁a ▁very ▁straight ▁s uture ▁with ▁the ▁nas al ▁but ▁complex ▁inter digit ating ▁s ut ures ▁with ▁other ▁b ones . ▁They ▁under lay ▁the ▁jug al ▁next ▁to ▁the ▁orbit , ▁although ▁this ▁section ▁was ▁not ▁actually ▁preserved . ▁There ▁is ▁little ▁b ony ▁pal ate ▁formed ▁by ▁the ▁max illa e ▁as ▁their ▁dent al ▁al ve oli ▁are ▁very ▁large , ▁and ▁so ▁there ▁is ▁little ▁space ▁between ▁them . ▁The ▁max ill ary ▁teeth ▁are ▁very