Hoffman, R.L., Crabill, R.E. Jr. (1953): C.S. Rafinesque as the real father of American myriapodology: an analysis of his hitherto unrecognized species. - Florida Entomologist 36 (2): 73-82.
Hoffman, R.L., Enghoff, H. (2011): A new genus for a colorful spirostreptid milliped from East Africa (Diplopoda: Spirostreptida: Spirostreptidae). Zootaxa, 2903: 21–28.
Hoffman, R.L., Martinez, D., Florez D., E. (2011):A new Colombian species in the milliped genus Psammodesmus, symbiotic host for bryophytes (Polydesmida: Platyrhacidae). Zootaxa, 3015: 52–60.