Representatives of genera formerly considered Trimeresurus as proposed by Malhotra and Thorpe (2004) based on morphologically diagnosable mitochondrial clades. A Trimeresurus insularis (listed as Cryptelytrops by Malhotra and Thorpe 2004, see text for further explanation) B Craspedocephalus macrolepis (listed as Peltopelor by Malhotra and Thorpe 2004, see text for further explanation) C Popeia popeiorum. D Parias sumatranus E Himalayophis tibetanus F Viridovipera gumprechti. Photos: Guillem Limia Russel (A–D), Frank Tillack (E), and Anita Malhotra (F).