Tergomya - Kiringellida - Hypseloconidae

Full reference: E. O. Ulrich, A. F. Foerste, and J. Bridge. 1931. Systematic Paleontology. Geology of the Eminence and Cardareva Quadrangles 186-225

Parent taxon: Hypseloconidae according to B. Runnegar and P.A. Jell 1976

Sister taxa: Cambrioconus, Cornuella, Gasconadeoconus, Gayneoconus, Knightoconus, Ozarkoconus, Paraceratoconus, Proteroconus, Pygmaeoconus, Yochelsonella

Subtaxa: Shelbyoceras bigpineyensis, Shelbyoceras robustum

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Ecology: slow-moving low-level epifaunal grazer