The current combination is Pelmatojulus ligulatus (Voges, 1878). See:
1) Hoffman, Richard Lawrence; Mahsberg, Dieter (1996): A new milliped of the genus Pelmatojulus from the Ivory Coast (Spirobolida: Pachybolidae). – Myriapodologica 4 (6): 43-49.
2) Wesener, Thomas; Enghoff, Henrik; Wägele, Johann Wolfgang (2008): Pachybolini - a tribe of giant Afrotropical millipedes: arguments for monophyly and the description of a new genus from Madagascar (Diplopoda: Spirobolida: Pachybolidae). – Invertebrate Systematics 22 (1): 37-53.