▁heads , ▁tail ▁tips ▁and ▁lim bs . ▁ ▁Description ▁Sau rop ods ▁were ▁her b iv orous ▁( plant - e ating ), ▁usually ▁quite ▁long - ne ck ed ▁quad rup eds ▁( four - leg ged ), ▁often ▁with ▁sp at ulate ▁( sp at ula - sh aped : ▁broad ▁at ▁the ▁tip , ▁narrow ▁at ▁the ▁neck ) ▁teeth . ▁They ▁had ▁tiny ▁heads , ▁massive ▁bodies , ▁and ▁most ▁had ▁long ▁t ails . ▁Their ▁h ind ▁legs ▁were ▁thick , ▁straight , ▁and ▁powerful , ▁ending ▁in ▁club - like ▁feet ▁with ▁five ▁to es , ▁though ▁only ▁the ▁inner ▁three ▁( or ▁in ▁some ▁cases ▁four ) ▁bore ▁cla ws . ▁Their ▁for el im bs ▁were ▁rather ▁more ▁sl ender ▁and ▁typically ▁ended ▁in ▁pill ar - like ▁hands ▁built ▁for ▁supporting ▁weight ; ▁often ▁only ▁the ▁thumb ▁bore ▁a ▁cla w . ▁Many ▁illustr ations ▁of ▁sau rop ods ▁in ▁the ▁flesh ▁miss ▁these ▁facts , ▁in ac cur ately ▁dep ict ing ▁sau rop ods ▁with ▁ho ov es ▁c apping ▁the ▁cla w - less ▁digits ▁of ▁the ▁feet , ▁or ▁more ▁than ▁three ▁cla ws ▁or ▁ho ov es ▁on ▁the ▁hands . ▁The ▁proxim al ▁ca ud al ▁verte bra e ▁are ▁extremely ▁di agnostic ▁for ▁sau rop ods . ▁ ▁Size ▁ ▁The ▁sau rop ods ' ▁most ▁defining ▁characteristic ▁was ▁their ▁size . ▁Even ▁the ▁d war f ▁sau rop ods ▁( per haps ▁ 5 ▁to