- SA ▁ 1 6 3 7 6 0 , ▁dates ▁from ▁the ▁early ▁Alb ian , ▁about ▁ 1 1 0 ▁million ▁years ▁old , ▁and ▁consists ▁of ▁an ▁almost ▁complete ▁ske leton ▁of ▁a ▁ju ven ile ▁individual , ▁lack ing ▁only ▁the ▁end ▁of ▁the ▁tail , ▁the ▁lower ▁legs ▁and ▁the ▁cla w ▁of ▁the ▁right ▁second ▁finger . ▁Ext ensive ▁soft ▁t issues ▁have ▁been ▁preserved ▁but ▁no ▁parts ▁of ▁the ▁skin ▁or ▁any ▁inte g ument ▁such ▁as ▁scales ▁or ▁fe athers . ▁ ▁In ▁view ▁of ▁the ▁exception al ▁importance ▁of ▁the ▁find , ▁between ▁December ▁ 2 0 0 5 ▁and ▁October ▁ 2 0 0 8 ▁the ▁foss il ▁was ▁intens ively ▁studied ▁in ▁Milan ▁resulting ▁in ▁a ▁mon ograph ▁by ▁dal ▁S asso ▁and ▁Sim one ▁Mag anu co ▁published ▁in ▁ 2 0 1 1 , ▁containing ▁the ▁most ▁extensive ▁description ▁of ▁a ▁single ▁din osa ur ▁species ▁ever . ▁ ▁Description ▁ ▁Size ▁ ▁The ▁hol ot ype ▁of ▁Sci p iony x ▁represents ▁a ▁very ▁small ▁individual , ▁the ▁preserved ▁length ▁being ▁just ▁ 2 3 7 ▁mill imet res . ▁In ▁ 2 0 1 1 ▁dal ▁S asso ▁& ▁Mag anu co ▁estimated ▁its ▁total ▁length , ▁including ▁the ▁missing ▁tail ▁section , ▁at ▁ 4 6 1 ▁mill imet res . ▁The ▁spec imen ▁was ▁not ▁much ▁smaller ▁than ▁known ▁emb ry os ▁or ▁h atch lings ▁of ▁L our in has aur us ▁and ▁All osa