Gastropoda - Prosobranchia - Orthonematidae
Alternative combinations: Murchisonia nebrascensis, Orthonema nebrascaensis
Full reference: N.B. Geinitz. 1866. Carbonformation und Dyas in Nebraska. Kaiserliche Leopoldinisch-Carolinische Deutsche Akademie Naturforscher Verhandlungen 33:1-92
Belongs to Orthonema according to P. J. Wagner 2011
Sister taxa: Orthonema amissidecoris, Orthonema ascensus, Orthonema borovskensis, Orthonema carbonaria, Orthonema cochleoides, Orthonema frequens, Orthonema hulusitaiensis, Orthonema illineatus, Orthonema inornatum, Orthonema knighti, Orthonema liratum, Orthonema marvinwelleri, Orthonema nakazawai, Orthonema paedice, Orthonema panxianensis, Orthonema paulum, Orthonema paxillus, Orthonema pygmaeum, Orthonema rectimurum, Orthonema salteri, Orthonema sayrei, Orthonema semiornatum, Orthonema silinae, Orthonema simplex, Orthonema socorroense, Orthonema striatonodosum, Orthonema strigatum, Orthonema subtaeniatum, Orthonema telescopiforme, Orthonema tirusum, Orthonema tricingulatum, Orthonema youngianum
Ecology: epifaunal