Relictus

Shear, W. A.; Shelley, R. M.; Heatwole, H. (2003). Occurrence of the milliped Sinocallipus simplipodicus Zhang, 1993 in Laos, with reviews of the Southeast Asian and global callipodidan faunas, and remarks on the phylogenetic position of the order (Callipodida: Sinocallipodidea: Sinocallipodidae). Zootaxa, 365: 1-20. Auckland

Stoev, P.; Geoffroy, J.-J. (2004). Review of the millipede family Paracortinidae Wang & Zhang, 1993 (Diplopoda, Callipodida). Acta Arachnologica, 53(2): 93-103

Wang, D. Q.; Zhang, C. Z. (1993). A new family of millipeds (Diplopoda: Callipodida) from Southwestern China. Peking Natural History Museum, 53(1): 375-390. Bejing