†subfamily Monorakinae Kramarenko 1952 (trilobite)
Trilobita - Phacopida - Pterygometopidae
Alternative spelling: Monorakidae
Parent taxon: Pterygometopidae according to R. Ludvigsen and B. D. E. Chatterton 1982
Sister taxa: Calliops, Chasmopinae, Creatarginae, Eomonorachinae, Pterygometopinae, Truncatometopus, Volkops, Yankaoia
Subtaxa: Carinopyge Ceratevenkaspis Elasmaspis Evenkaspis Monorakos Parevenkaspis
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Arenig of France (1 collection)
• Ordovician of the Russian Federation (33), United States (1: Alaska)
Total: 35 collections including 56 occurrences