Infraorder Hemieuryalina Verrill 1899 (brittle star)
Full reference: A. E. Verrill. 1899. Report on the Ophiuroidea collected by the Bahamas Expedition from the University of Iowa in 1893. Bulletin of the University of Iowa 5:1-86
Parent taxon: Ophiurina according to A. B. Smith et al. 1995
Sister taxa: Astrophiuridae, Ophiopyrgidae, Ophiuridae
Subtaxa: Ophiotrapezium
Ecology: slow-moving low-level epifaunal detritivore-suspension feeder
Distribution: