1937  Wiedeyoceras sanctijohanis.-Plummer & Scott: 177, fig. 38.
     1937  Eumorphoceras bisulcatum.-Plummer & Scott: 175, pl.38 fig.4-7, textfig.37.
     1948  Eumorphoceras plummeri Miller & Youngquist: 665,  pl.100 fig.1-4,20,21 [with extended synonymy].
     1950  Eumorphoceras bisulcatum.-Plummer: pl.8 fig.20,21.
     1952  Eumorphoceras goddardensis.-Elias: 193, fig.1 nr.1-8.
     1956  Eumorphoceras (Edmooroceras) plummeri.-Elias: 132, pl.6 fig.8.
     1960  Eumorphoceras plummeri.-Ruzhentsev: fig.33c,d.
     1964  Eumorphoceras plummeri.-McCaleb, Quinn & Furnish: 22, pl.1 fig.3, pl.3 fig.8, testfig.5.
     1965  Eumorphoceras (Edmooroceras) plummeri.-Gordon: 239,  pl.25 fig.14-15?, 19-22?, 31, 36, text-fig.65B,  66B.
               [?=teste Titus,1999]
     1977  Eumorphoceras plummeri.-Saunders, Manger & Gordon, pl.2 fig.9, 10.
     1981  Eumorphoceras plummeri.-Ruan: 188, pl.5 fig.18, textfig.34.
     1987  Eumorphoceras plummeri.-Ruan & Zhou: 95, text-fig.31,  pl.5 fig.5, 9.
     1993  Eumorphoceras plummeri.-Titus: textfig.2.4,2.8.
     1999  Edmooroceras plummeri.-Titus: 165.

[Holotype: USNM 112992].