pt.   1937  Nuculoceras incisum.-Plummer & Scott: 15, pl.7   fig.7-9, 11-14, (non fig.10).
pt.? 1937  Nuculoceras barnettense.-Plummer & Scott:15, pl.7 fig. 15-18.
        1940  Cravenoceras hesperium Miller & Furnish: 374, pl.49 fig.1-8.     
?      1948  Cravenoceras hesperium.-Miller & Youngquist: 656, pl.95 fig.7-9,13-15.
        1949  Cravenoceras hesperium.-Youngquist: 291, pl.59 fig.4- 16, pl.60 fig.1,2,8-15, pl.61 fig.1-3,10-12, pl.62                                               fig.1-6,16-18.
        1964  Cravenoceras hesperium.-Gordon: A11, pl.3 fig.3-5, 14-17, 21-33, text-fig.4A,D,E.
        1965  Cravenoceras hesperium.-Gordon: 208, textfig.54B,C, textfig.52C,D.
?      1968  Cravenoceras hesperium.-Gordon & Poole: 160, pl.1 fig.19-21. [= Syngastrioceras sp.]
        1975  Glaphyrites hesperius.-Kant: 215, fig14.
        1987  Cravenoceras hesperium.-Sheng: 159, pl.2 fig.13-15,  textfig.15.
        2000  Eosyngastrioceras hesperium.-Titus: 40, text-fig.33; pl.11 fig.1-3, pl.12 fig.1-4.

[Holotype: USNM 120617]. [Sheng,1987, pl.2 fig.13-15 probably juvenile cravenoceratids, insufficiently preserved forms].

Fig. see TAX2635 A (suture), B (cross section).