1977  Elephantoceras nodosum Zhao & Zheng: 233, pl.2
           fig.25-27, textfig.7.
     1979  Elephantoceras nodosum.-Glenister, Nassichuk &
           Furnish, p.234, textfig.2 e,f.
     1981  Elephantoceras nodosum.-Frest, Glenister & Furnish:
           40, pl.7 fig.7-9, textfig.3A,B,17A,B.
     1982  Elephantoceras nodosum.-Liang & Guo: 266, pl.104 fig.
           3-4.