1877  Goniatites Meek: 98.
     1896  Goniatites.- Miller & Gurley: 36.
     1900  Milleroceras Hyatt in Zittel-Eastman: 550.
       ----  Gonioloboceras Hyatt in Zittel-Eastman: 551.
     1903  Goniatites.- Smith: 127.
     1913  Gonioloboceras.- Smith: 631.
     1915  Gonioloboceras.- Girty: 261. (ex p.).
     1920  Gonioloboceras.- B÷se: 52. (ex p.).
     1930  Gonioloboceras.- Sayre: 156.
     1932  Milleroceras.- Miller: 69.
     1932  Gurleyoceras.- Miller: 76.
     1934  Gonioloboceras.- Miller & Cline: 175.
     1937  Milleroceras.- Plummer & Scott: 327.
     1938  Gonioloboceras.- Elias: 93.
     1940  Gonioloboceras.- Librovitch: 166.
     1941  Gonioloboceras.- DelÚpine: 98.
     1950  Gonioloboceras.- Miller & Downs: 194.
     1957  Gonioloboceras.- Treatise: L60.
     1960  Gonioloboceras.- Ruzhentsev: 208.
pt. 1962  Gonioloboceras.- Kullmann: 18.
     1962  Gonioloboceras.- Elias: 31.
     1962  Gonioloboceras.- Osnovy: 371.
     1971  Gonioloboceras.- Furnish & Glenister: 301.
     1997  Gonioloboceras.- Mapes et al.: 224.

Type species: Goniatites goniolobus Meek, 1877, p. 98-99. [OD].
     

[= Milleroceras HYATT, 1900, p.550, type Goniatites parrishi MILLER & GURLEY, 1896, p.36, = Goniatites goniolobus
MEEK, 1877, p.98; OD (subj.); Gurleyoceras MILLER, 1932, p.76, type Gonioloboceras welleri SMITH, 1903, p.125,
= Goniatites goniolobus MEEK, 1877, p.98; OD (subj.); for discussion see MILLER & DOWNS, 1950, p.194, 196].

A:   Conch form subdiscoidal, involute, with extremely narrow umbilicus.
G:   Ventral lobe with high and broad median saddle and extremely divergent sides. First lateral saddle narrow and acute;
       Adventitious lobe triangular, ventral side convex, dorsal side concave.

[For discussion see FURNISH & GLENISTER, 1971, p.303. Inner whorls not known].

[Mapes et al., 1997, p.224: Mature conch subdiscoidal, umbilicus relatively small, venter rounded. Suture characterized
by broad ventral lobe having relatively narrow prongs and an angular lateral saddle.]