Arida, E. and Setyawatiningsih, S.C. 2015. EVY ARIDA & SRI CATUR SETYAWATININGSIH (2015) On the occurrence of Varanus nebulosus (Gray, 1831) (Squamata: Varanidae) on Riau Archipelago, Indonesia. Zootaxa, 3919 (1): 197–200. Zootaxa. 3931, 4 (Mar. 2015), 600–600. DOI:https://doi.org/10.11646/zootaxa.3931.4.10.