original descriptionChamberlin, R. V. (1943). On Mexican Millipeds. Bulletin of the University of Utah, Biological series, 8(3): 1-103 page(s): 31 [details]
original description(ofParaiulus zempoalus Chamberlin, 1943)Chamberlin, R. V. (1943). On Mexican Millipeds. Bulletin of the University of Utah, Biological series, 8(3): 1-103 page(s): 31 [details]
new combination referenceShelley, R. M. (2008). Way Down South: The milliped family Parajulidae (Julida: Parajulini) in Mexico and Central America; first records from El Salvador and the Baja California Peninsula. Zootaxa, 1893: 1-37 page(s): 20 [details]
Present Inaccurate Introduced: alien Containing type locality