Nitriliruptoria
The Nitriliruptoria are one of five classes of Actinobacteria, which contains four monotypic genera placed in separate orders.

Phylogeny
The phylogeny is based on 16S rRNA-based LTP release 123 by 'The All-Species Living Tree' Project.

Taxonomy
The currently accepted taxonomy is based on the List of Prokaryotic names with Standing in Nomenclature (LPSN) and National Center for Biotechnology Information (NCBI).

 Class Nitriliruptoria Ludwig et al. 2013 [Nitriliruptoridae Kurahashi et al. 2010]
 Order Egibacterales Zhang et al. 2016
 Family Egibacteraceae Zhang et al. 2016
 Genus Egibacter Zhang et al. 2016
 Species Egibacter rhizosphaerae Zhang et al. 2016
 Order Egicoccales Zhang et al. 2015
 Family Egicoccaceae Zhang et al. 2015
 Genus Egicoccus Zhang et al. 2015
 Species Egicoccus halophilus Zhang et al. 2015
 Order Euzebyales Kurahashi et al. 2010
 Family Euzebyaceae Kurahashi et al. 2010
 Genus Euzebya Kurahashi et al. 2010
 Species Euzebya tangerina Kurahashi et al. 2010
 Order Nitriliruptorales Sorokin et al. 2009
 Family Nitriliruptoraceae Sorokin et al. 2009
 Genus Nitriliruptor Sorokin et al. 2009
 Species Nitriliruptor alkaliphilus Sorokin et al. 2009