Vogel, G., Amarasinghe, A.A.T. and Ineich, I. 2016.

Resurrection of Pseudorabdion torquatum (A.M.C. Duméril, Bibron & A.H.A. Duméril, 1854), a former synonym of P. longiceps (Cantor, 1847)
(Colubridae: Calamariinae) from Sulawesi, Indonesia

. Zootaxa. 4121, 3 (Jun. 2016), 337–345. DOI:https://doi.org/10.11646/zootaxa.4121.3.8.