ic ▁l ifest yle . ▁It ▁contains ▁more ▁than ▁ 2 , 7 0 0 ▁described ▁species ▁in ▁four ▁super famil ies . ▁M embers ▁of ▁the ▁sub order ▁are ▁character ised ▁by ▁their ▁special ised ▁mouth parts ▁which ▁include ▁a ▁mand ible ▁with ▁a ▁to oth - like ▁process ▁which ▁is ▁adapted ▁for ▁cutting ▁or ▁s lic ing . ▁ ▁Classification ▁C ym oth o ida ▁contains ▁these ▁super famil ies ▁and ▁families : ▁ ▁Super family ▁Anth uro idea ▁Le ach , ▁ 1 8 1 4 ▁Anth el ur idae ▁Po ore ▁& ▁Lew ▁Ton , ▁ 1 9 8 8 ▁An thur idae ▁Le ach , ▁ 1 8 1 4 ▁Ex pan ath ur idae ▁Po ore , ▁ 2 0 0 1 ▁Hy ss ur idae ▁W ä gele , ▁ 1 9 8 1 ▁Le pt anth ur idae ▁Po ore , ▁ 2 0 0 1 ▁Par anth ur idae ▁M enz ies ▁& ▁G lyn n , ▁ 1 9 6 8 ▁Super family ▁C ym oth oo idea ▁Le ach , ▁ 1 8 1 4 ▁A eg idae ▁White , ▁ 1 8 5 0 ▁An urop idae ▁Ste bb ing , ▁ 1 8 9 3 ▁B ary b rot idae ▁Hans en , ▁ 1 8 9 0 ▁Ci rol an idae ▁D ana , ▁ 1 8 5 2 ▁Cor all an idae ▁Hans en , ▁ 1 8 9 0 ▁C ym oth o idae ▁Le ach ,