Gastropoda - Murchisoniina - Hormotomidae

Alternative combination: Plethospira bilineata

Full reference: R. H. Flower. 1968. Part III - Fossils from the Fort Ann Formation. New Mexico Institute of Mining and Technology Memoir 22(1):28-38

Belongs to Hormotoma according to P. J. Wagner 2011

Sister taxa: Hormotoma aculeata, Hormotoma acuminata, Hormotoma agilis, Hormotoma altesinuata, Hormotoma amii, Hormotoma anna, Hormotoma antigonishensis, Hormotoma antiqua, Hormotoma arisaigensis, Hormotoma artemesia, Hormotoma articulata, Hormotoma bistriata, Hormotoma cassina, Hormotoma centervillensis, Hormotoma concinnus, Hormotoma confusa, Hormotoma cotterensis, Hormotoma doquieri, Hormotoma dubia, Hormotoma dubia, Hormotoma exilis, Hormotoma fascinata, Hormotoma funata, Hormotoma gigantea, Hormotoma gracilens, Hormotoma gracilis, Hormotoma gracillima, Hormotoma grayiana, Hormotoma hyale, Hormotoma inceptor, Hormotoma insignis, Hormotoma latifasciatum, Hormotoma lutiensis, Hormotoma meryenorfi, Hormotoma meyendorfi, Hormotoma minnesotensis, Hormotoma moderata, Hormotoma multivolvis, Hormotoma neglecta, Hormotoma nigra, Hormotoma ordosensis, Hormotoma ordovix, Hormotoma patriciaensis, Hormotoma piperi, Hormotoma polita, Hormotoma prava, Hormotoma robusta, Hormotoma rotundivolvis, Hormotoma rudis, Hormotoma scrobiculata, Hormotoma simplex, Hormotoma striatula, Hormotoma subangulata, Hormotoma subulata, Hormotoma tenuifilosa, Hormotoma teretiformis, Hormotoma vesta, Hormotoma wilsoni, Hormotoma winnipegensis

Type specimen: Its type locality is Bottom 30’ of section just east of Smith Basin, Fort Ann, which is in a Stairsian peritidal limestone in the Fort Ann Formation of New York

Ecology: epifaunal herbivore