sentences:  Lee (1997) named the order Nyctiphruretia and the family Nyctiphruretidae, to include "Nyctiphruretus".While the family was defined to be monotypic, the order was defined to include both nyctiphruretids and nycteroleterids.However, recent cladistic analyses suggest that nycteroleterids are more closely related to the Pareiasauria instead, thus making "Nyctiphruretus" the only genus of its order.