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Shelley, 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 (Oct. 2008), 1–37. DOI:https://doi.org/10.11646/zootaxa.1893.1.1.