Shelley, R.M. (1997): A re-evaluation of the millipede genus Motyxia Chamberlin, with a re-diagnosis of the tribe Xystocheirini and remarks on the bioluminescence (Polydesmida: Xystodesmidae). Insecta Mundi, 11: 331-351.
Shelley, R.M. (1997): The holarctic centipede subfamily Plutoniuminae (Chilopoda: Scolopendromorpha: Cryptopidae) (Nomen correctum ex subfamily Plutoniinae Bollman, 1893). Brimleyana, 24: 51-113.
Shelley, R.M. (1999): Centipedes and millipedes with emphasis on north America fauna. The Kansas school naturalist, 45 (3): 1-15.
Shelley, R.M. (2000): Neotype designation for the centipede Mycotheres leucopoda Rafinesque (Scolopendromorpha: Cryptopidae). Myriapodologica, 7: 15-17.
Shelley, R.M. (2000): Occurence of the centipede, Dinocryptops miersii (Newport) (Scolopendromorpha: Scolopocryptopidae), in Tobago, Trinidad and Tobago. Carribean Journal of Science, 36: 155-156.