Trajano, E. et al. 2000. Synopsis of brazilian Cave-Dwelling Millipedes (Diplopoda). Papéis Avulsos de Zoologia. 41, 1-28 (1999-2001) (Jun. 2000), 259–287. DOI:https://doi.org/10.11606/0031-1049.2000.41.p259-287.