The lack of a temporal embayment may exclude Saxonerpeton from Hapsidopareiontidae ; Bolt and Rieppel ( 2009 ) considered Hapsidopareiontidae to include only Hapsidopareion and Llistrofus because of this .
Hapsidopareion and Llistrofus both possess this embayment , but in Saxonerpeton , the temporal region is complete .
The lack of a temporal embayment may exclude region from Hapsidopareiontidae ; Bolt and Rieppel ( 2009 ) considered Hapsidopareiontidae to include only Hapsidopareion and Llistrofus because of this .
Hapsidopareion and Llistrofus both possess this embayment , but in Saxonerpeton , the temporal region is complete .