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Published online by Cambridge University Press: 20 May 2016
Spinous oniscomorph millipedes are rare faunal components of the upper Palaeozoic (Shear, 1997). Amynilyspes (type species A. wortheni Scudder, 1882; OD) is an Upper Carboniferous spinous oniscomorph (pill millipede) which was first described from the Middle Pennsylvanian (Westphalian D equivalent) Fossil-Lagerstätte of Mazon Creek. Later Fritsch (1899) described two species (A. typicus and A. crescens) from the Wesphalian D Gaskohle of Nýřany in Bohemia. More recently A. typicus was recorded from the Stephanian B of the Saarland (Förster, 1973), then from the Stephanian B of the Blanzy-Montceau-les-Mines Basin (Langiaux and Sotty, 1977; Poplin, 1994). Although myriapods were already known to occur in the Montceau-les-Mines Lagerstätte (Langiaux and Sotty, 1976; Rolfe et al., 1982; Poplin and Heyler, 1994) the presence of Amynilyspes at Montceau-les-Mines was first published in a regional publication (“La Physiophile” Langiaux and Sotty, 1976, 1977), and it has passed almost unnoticed.