(Serpentes: Viperidae) - compiled by Van Wallach
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Head drawings: genus
Pseudocerastes(Serpentes: Viperidae) - compiled by Van Wallach
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 | Pseudocerastes fieldi (from Werner 2016) |
 | Pseudocerastes fieldi (from Joger 1984) |
 | Pseudocerastes persicus (from Khan 2002) |
 | Pseudocerastes persicus (from Laurent 1948) |
 | Pseudocerastes persicus (from Strauch 1869) |
 | Pseudocerastes persicus (from Gasperetti 1988) |
 | Pseudocerastes persicus (from Gasperetti 1988) |