(Serpentes: Viperidae) - compiled by Van Wallach
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Head drawings: genus
Vipera(Serpentes: Viperidae) - compiled by Van Wallach
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 | Vipera ammodytes (from Angel 1949) |
 | Vipera ammodytes (from Bannikov & Darevsky 1971) |
 | Vipera ammodytes (from Biella 1995) |
 | Vipera ammodytes (from Bonaparte 1832-41) |
 | Vipera ammodytes (from Böhme 2005) |
 | Vipera ammodytes (from Corti & al. 2011) |
 | Vipera ammodytes (from Dumeril, Bibron & Dumeril 1854) |
 | Vipera ammodytes (from Fitzinger 1867) |
 | Vipera ammodytes (from Fuhn & Vancea 1961) |
 | Vipera ammodytes (from Joger 1984) |
 | Vipera ammodytes (from Kraus & Werner 1931) |
 | Vipera ammodytes (from Nikolsky 1916) |
 | Vipera ammodytes (from Phisalix 1922) |
 | Vipera ammodytes (from Wittmann 1954) |
 | Vipera ammodytes (from Biella 1995) |
 | Vipera ammodytes (from Bruno & Maugeri 1990) |
 | Vipera ammodytes (from Biella 1995) |
 | Vipera ammodytes (from Bruno 1985) |
 | Vipera ammodytes (from Bruno 1985) |
 | Vipera ammodytes (from Bruno & Maugeri 1990) |
 | Vipera ammodytes (from Bruno 1985) |
 | Vipera ammodytes (from Fitzinger 1867) |
 | Vipera aspis (from Barbadillo-Escriva 1987) |
 | Vipera aspis (from Bruno 1985) |
 | Vipera aspis (from Böhme 2005) |
 | Vipera aspis (from Corti & al. 2011) |
 | Vipera aspis (from Phisalix 1922) |
 | Vipera aspis (from Wittmann 1954) |
 | Vipera aspis (from Bonaparte 1832-41) |
 | Vipera aspis (from Bruno & Maugeri 1990) |
 | Vipera aspis (from Naulleau 1997) |
 | Vipera aspis (from Salvador 1998) |
 | Vipera aspis (from Bonaparte 1832-41) |
 | Vipera aspis (from Naulleau 1997) |
 | Vipera aspis (from Phisalix 1922) |
 | Vipera aspis (from Salvador 1998) |
 | Vipera aspis (from Bonaparte 1832-41) |
 | Vipera aspis (from Naulleau 1997) |
 | Vipera aspis (from Salvador 1998) |
 | Vipera aspis (from Bonaparte 1832-41) |
 | Vipera aspis (from Naulleau 1997) |
 | Vipera aspis (from Naulleau 1997) |
 | Vipera aspis (from Naulleau 1997) |
 | Vipera aspis (from Naulleau 1997) |
 | Vipera aspis (from Naulleau 1997) |
 | Vipera aspis (from Naulleau 1997) |
 | Vipera aspis (from Salvador & Pleguezuelos 2013) |
 | Vipera aspis (from Salvador & Pleguezuelos 2013) |
 | Vipera berus barani (from Brodmann 1987) |
 | Vipera berus barani (from Joger 1984) |
 | Vipera berus (from Ameling 1978) |
 | Vipera berus (from Anufriev & Bobretsov 1996) |
 | Vipera berus (from Bannikov & al. 1977) |
 | Vipera berus (from Barus & Oliva 1992) |
 | Vipera berus (from Brodmann 1987) |
 | Vipera berus (from Bruno 1985) |
 | Vipera berus (from Böhme 2005) |
 | Vipera berus (from Fitzinger 1867) |
 | Vipera berus (from Fuhn & Vancea 1961) |
 | Vipera berus (from the Internet) |
 | Vipera berus (from Lenz 1870) |
 | Vipera berus (from Maki 1931) |
 | Vipera berus (from Moravec & al. 2015) |
 | Vipera berus (from Nikolsky 1916) |
 | Vipera berus (from Phisalix 1922) |
 | Vipera berus (from Witte 1948) |
 | Vipera berus (from Wittmann 1954) |
 | Vipera berus (from Bruno & Maugeri 1990) |
 | Vipera berus (from Koch 1862) |
 | Vipera berus (from Koch 1862) |
 | Vipera berus (from Völkl & Thiesmeier 2002) |
 | Vipera berus (from Koch 1862) |
 | Vipera berus (from Völkl & Thiesmeier 2002) |
 | Vipera berus (from Koch 1862) |
 | Vipera berus (from Völkl & Thiesmeier 2002) |
 | Vipera berus (from Völkl & Thiesmeier 2002) |
 | Vipera berus sachalinensis (from Emelianov 1929) |
 | Vipera berus sachalinensis (from Emelianov 1929) |
 | Vipera dinniki (from Böhme 2005) |
 | Vipera kaznakovi (from Bannikov & al. 1977) |
 | Vipera kaznakovi (from Nikolsky 1916) |
 | Vipera kaznakovi (from Böhme 2005) |
 | Vipera kaznakovi (from Böhme 2005) |
 | Vipera kaznakovi (from Bruno 1985) |
 | Vipera kaznakovi (from Bruno 1985) |
 | Vipera latastei (from Barbadillo-Escriva 1987) |
 | Vipera latastei (from Bruno & Maugeri 1990) |
 | Vipera latastei (from Bruno 1985) |
 | Vipera latastei (from Böhme 2005) |
 | Vipera latastei (from Phisalix 1922) |
 | Vipera latastei (from Saint Girons 1956) |
 | Vipera latastei (from Schleich & al. 1996) |
 | Vipera latastei (from Wittmann 1954) |
 | Vipera latastei (from Salvador 1998) |
 | Vipera latastei (from Salvador 1998) |
 | Vipera latastei (from Salvador & Pleguezuelos 2013) |
 | Vipera latastei (from Salvador & Pleguezuelos 2013) |
 | Vipera monticola (from Schleich & al. 1996) |
 | Vipera renardi (from Biella 1995) |
 | Vipera renardi (from Boulenger 1893) |
 | Vipera renardi (from Fuhn & Vancea 1961) |
 | Vipera renardi (from Kraus & Werner 1931) |
 | Vipera renardi (from Phisalix 1922) |
 | Vipera renardi (from Wittmann 1954) |
 | Vipera seoanei (from Barbadillo-Escriva 1987) |
 | Vipera seoanei (from Böhme 2005) |
 | Vipera seoanei (from Naulleau 1997) |
 | Vipera seoanei (from Bruno & Maugeri 1990) |
 | Vipera seoanei (from Salvador 1998) |
 | Vipera seoanei (from Salvador 1998) |
 | Vipera seoanei (from Bruno 1985) |
 | Vipera seoanei (from Salvador & Pleguezuelos 2013) |
 | Vipera seoanei (from Bruno 1985) |
 | Vipera seoanei (from Salvador & Pleguezuelos 2013) |
 | Vipera ursinii (from Bannikov & Darevsky 1971) |
 | Vipera ursinii (from Bannikov & al. 1977) |
 | Vipera ursinii (from Brodmann 1987) |
 | Vipera ursinii (from Bruno & Maugeri 1990) |
 | Vipera ursinii (from Bruno 1985) |
 | Vipera ursinii (from Böhme 2005) |
 | Vipera ursinii (from Fuhn & Vancea 1961) |
 | Vipera ursinii (from Kramer 1961) |
 | Vipera ursinii (from Kraus & Werner 1931) |
 | Vipera ursinii (from Obst & al. 1988) |
 | Vipera ursinii (from Phisalix 1922) |
 | Vipera ursinii (from Sindaco & al. 2013) |
 | Vipera ursinii (from Wittmann 1954) |
 | Vipera ursinii (from Tomovic & al. 2008) |
 | Vipera ursinii (from Tomovic & al. 2008) |
 | Vipera ursinii (from Tomovic & al. 2008) |
 | Vipera ursinii (from Tomovic & al. 2008) |
 | Vipera ursinii (from Tomovic & al. 2008) |