Tarphyceratidae
Danoceras Troeddson, 1926
Diestoceras Foerste, 1924
Dowlingoceras Foerste, 1928
Eurystomites accelerans
Eurystomites amplectens
Eurystomites kelloggi
Lyckholmoceras Teichert, 1930
Suttonoceras Miller & Youngquist, 1947
