1 9 2 3 . ▁ ▁Foot notes ▁ ▁References ▁Ob itu ary , ▁The ▁Times , ▁ 1 1 ▁July ▁ 1 9 3 1 ▁ ▁Category : 1 8 7 3 ▁birth s ▁Category : 1 9 5 1 ▁death s ▁Category : Pe ople ▁educated ▁at ▁Bl und ell ' s ▁School ▁Category : Al umn i ▁of ▁Sid ney ▁Sus sex ▁College , ▁Cambridge ▁Category : Ind ian ▁Civil ▁Service ▁( B rit ish ▁India ) ▁officers ▁Category : B rit ish ▁India ▁jud ges ▁Category : K n ights ▁Bach elor ▁Category : Comp an ions ▁of ▁the ▁Order ▁of ▁the ▁Indian ▁Empire <0x0A> </s> ▁Amb ly de ct es ▁is ▁known ▁from ▁fragments ▁of ▁j aw . ▁It ▁apparently ▁had ▁a ▁j aw ▁fl atten ed ▁towards ▁the ▁tip ▁and ▁tri angular ▁in ▁cross - section . ▁It ▁has ▁at ▁times ▁been ▁syn onym ised ▁with ▁Col ob or h yn chus , ▁C rior h yn chus , ▁L on ch ode ct es , ▁or ▁Or n ith o che irus . ▁A ▁ 2 0 1 3 ▁study ▁found ▁A . ▁cr ass id ens ▁and ▁A . ▁e ury gn ath us ▁to ▁be ▁nom ina ▁dub ia , ▁with ▁A . ▁plat yst om us ▁possibly ▁belonging ▁to ▁a ▁separate , ▁yet ▁un named ▁genus . ▁ ▁See ▁also ▁ ▁Tim eline ▁of ▁p ter osa ur ▁research ▁ ▁References ▁ ▁Category : P ter od act y lo ids ▁Category :