Hannibal, J. T. (2000). Hexecontasoma, a new helminthomorph millipede (Hexecontasomatidae n. fam.) from the Mazon Creek, Illinois, fauna (Carboniferous, North America). Fragmenta faunistica, Supplement, 43: 19-35. Warszawa
242381
Hannibal, J. T.
2000
Hexecontasoma, a new helminthomorph millipede (Hexecontasomatidae n. fam.) from the Mazon Creek, Illinois, fauna (Carboniferous, North America)