Shelley, R.M. (2008): Revision of the centipede genus Hemiscolopendra Kraepelin, 1903: Description of H. marginata (Say, 1821) and possible misidentifications as Scolopendra spp.; proposal of Akymnopellis, n. gen., and redescriptions of its South American components (Scolopendromorpha: Scolopendridae: Scolopendrinae). International Journal of Myriapodology, 2: 171-204.
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: 1–37.
Shelley, R.M. (2009):Occurrence of the centipede Ectonocryptoides quadrimeropus Shelley and Mercurio, 2005, in central Mexico (Scolopendromorpha: Scolopocryptopidae: Ectonocryptopinae). Western North American Naturalist, 69: 138-139.
Shelley, R.M. (2009): The milliped families Spirostreptidae (Spirostreptida) and Paradoxosomatidae (Polydesmida) in the Middle East; first records of the Diplopoda from Saudi Arabia. Insecta Mundi, 0083: 1-6.