1915  Paralegoceras sundaicum Haniel, p.59, pl.48 (3)
           fig.3, 5, 7, pl. 53 (8) fig.8.
     1973  Metalegoceras involutum.-Glenister, Windle & Furnish,
           p.1037, p.1041, pl.3 fig.5,6.