▁is ▁the ▁sag itt al ▁cr est ▁which ▁seems ▁to ▁be ▁completely ▁absent ▁in ▁Syn empor ion . ▁The ▁teeth ▁are ▁more ▁del icate ▁than ▁in ▁the ▁Hawai ian ▁ho ary ▁bat , ▁especially ▁so ▁in ▁the ▁lower ▁j aw ; ▁otherwise ▁their ▁dent itions ▁differ ▁little . ▁Its ▁dent al ▁formula ▁was ▁ ▁or ▁ ▁for ▁a ▁total ▁of ▁ 3 0 ▁or ▁ 3 2 ▁teeth . ▁The ▁missing ▁sag itt al ▁cr est ▁combined ▁with ▁the ▁we aker ▁dent ition ▁makes ▁it ▁almost ▁certain ▁that ▁Syn empor ion ▁could ▁not ▁nearly ▁b ite ▁as ▁hard ▁as ▁A . ▁sem ot us , ▁and ▁thus ▁a te ▁different , ▁smaller ▁and / or ▁more ▁soft - b od ied ▁pre y . ▁ ▁Geographic ▁range ▁S . ▁ke ana ▁lived ▁on ▁at ▁least ▁ 5 ▁Hawai ian ▁islands : ▁K au a ʻ i , ▁O ʻ ahu , ▁Mol oka ʻ i , ▁Mau i , ▁and ▁Hawai ʻ i . ▁ ▁Tem por al ▁range ▁While ▁it ▁is ▁unknown ▁when ▁Syn empor ion ▁first ▁arrived ▁in ▁the ▁Hawai ian ▁islands , ▁the ▁oldest ▁known ▁foss ils ▁are ▁from ▁ 3 2 0 , 0 0 0 – 4 0 0 , 0 0 0 - year - old ▁depos its ▁on ▁O ahu . ▁One ▁b one ▁from ▁another ▁site ▁on ▁O ahu ▁has ▁been ▁dated ▁at ▁ 2 7 1 8 – 2 4 7 9 ▁years ▁ago , ▁but ▁some ▁und ated ▁remains ▁indicate ▁that ▁S .