▁least ▁ 3 3 % ▁of ▁the ▁length ▁of ▁the ▁p tery go id ▁ ▁teeth : ▁at ▁least ▁ 5 - 6 ▁replacement ▁teeth ▁occur ▁per ▁al ve ol us ▁( as ▁observed ▁in ▁N ig ers aur us ) ▁ ▁d ors al ▁verte bra e : ▁no ▁more ▁than ▁ 1 0 ▁d ors al ▁verte bra e ▁are ▁present ▁ ▁ca ud al ▁verte bra e : ▁ 7 0 - 8 0 ▁ca ud al ▁verte bra e ▁are ▁present ▁ ▁ped al ▁ph al anges : ▁ped al ▁ph al an x ▁I - 1 ▁has ▁a ▁proxim ov ent ral ▁margin ▁drawn ▁out ▁into ▁a ▁thin ▁plate ▁or ▁he el ▁that ▁under lies ▁the ▁dist al ▁end ▁of ▁met at ars al ▁I ; ▁also ▁ped al ▁ph al an x ▁II - 2 ▁is ▁reduced ▁in ▁c ran i oca ud al ▁length ▁and ▁has ▁an ▁irregular ▁shape ▁ ▁References ▁ ▁External ▁links ▁ ▁Cra ck ing ▁the ▁wh ip , ▁from ▁the ▁New S cient ist . ▁ ▁Sau rop od ▁din osa ur ▁may ▁have ▁wh ipped ▁its ▁tail ▁like ▁Indiana ▁Jones ▁( s ays ▁Nathan ▁My hr v old ), ▁from ▁the ▁New S cient ist . ▁ ▁Ivan ▁Pet erson ' s ▁Wh ips ▁and ▁Din osa ur ▁T ails . ▁ ▁S ke let al ▁rest or ations ▁of ▁several ▁di pl od oc ids , ▁from ▁Scott ▁Hart man ' s ▁S ke let al ▁Draw ing ▁website .