(Serpentes: Colubridae) - compiled by Van Wallach
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Head drawings: genus
Rhynchocalamus(Serpentes: Colubridae) - compiled by Van Wallach
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 | Rhynchocalamus melanocephalus (from Bannikov & Darevsky 1971) |
 | Rhynchocalamus melanocephalus (from Bannikov & al. 1977) |
 | Rhynchocalamus melanocephalus (from Werner 2016) |
 | Rhynchocalamus satunini (from Basoglu & Baran 1980) |
 | Rhynchocalamus satunini (from Nikolsky 1916) |
 | Rhynchocalamus satunini (from Obst & al. 1988) |