?    1956  Eumorphoceras pseudobilingue.-Bisat & Elias: 98.
      1974  Bilinguites sp..-Manger, Saunders & Quinn: 115.
      1974  Bilinguites sp..-Nassichuk: 121.
      1980  Bilinguites eliasi Manger & Saunders: 23, pl.2 fig.13-17, textfig.8,9.  
      1985  Bilinguites eliasi.-Henry, Gordon, Schweinfurth & Gillespie: 1143, text-fig. 3.1-3.3, 4.