†family Hormotomidae Wenz 1938 (snail)
Full reference: W. Wenz. 1938. Handbuch der Paläozoologie; Gastropoda. Handbuch der Paläozoologie
Parent taxon: Murchisonioidea according to P. Bouchet et al. 2005
Sister taxa: Berouniconcha, Cheeneetnukiidae, Kaseiella, Kosovoconcha, Mendelia, Murchisoniidae, Pithodeidae, Plethospiridae
Subtaxa: Catazone, Coelocaulus, Diplozone, Gyrodoma, Hormotoma, Hormotomina, Medfracaulus, Plethospira, Ptychocaulus
Ecology: facultatively mobile epifaunal suspension feeder