Head drawings: genus Helicops(Serpentes: Colubridae) - compiled by Van Wallach Home

Helicops angulatus (from Amaral 1976)
Helicops angulatus (from Chippaux 1986)
Helicops angulatus (from Duellman 2005)
Helicops angulatus (from Emsley 1977)
Helicops angulatus (from Lancini & Kornacker 1989)
Helicops angulatus (from Pereira-Filho & al. 2017)
Helicops apiaka (from Kawashita-Ribeiro & al. 2013)
Helicops carinicaudus (from Fitzinger 1867)
Helicops carinicaudus (from Giraudo 2001)
Helicops carinicaudus (from Wagler 1833)
Helicops carinicaudus (from Wied-Neuwied 1827)
Helicops gomesi (from Amaral 1976)
Helicops gomesi (from Amaral 1921)
Helicops gomesi (from Amaral 1921)
Helicops infrataeniatus (from Carreira & al. 2005)
Helicops infrataeniatus (from Giraudo 2001)
Helicops infrataeniatus (from Miranda & al. 1983)
Helicops leopardinus (from Amaral 1976)
Helicops leopardinus (from Chippaux 1986)
Helicops leopardinus (from Giraudo 2001)
Helicops leopardinus (from Jan & Sordelli 1864)
Helicops leopardinus (from Miranda & al. 1983)
Helicops leopardinus (from Vanzolini & al. 1980)
Helicops modestus (from Amaral 1976)
Helicops modestus (from Fitzinger 1867)
Helicops phantasma (from Morales-da-Silva & al. 2021)
Helicops polylepis (from PĂ©rez-Santos & Moreno 1988)
Helicops scalaris (from Lancini 1964)
Helicops tapajonicus (from Frota 2005)
Helicops trivittatus (from Boulenger 1893)
Helicops trivittatus (from Boulenger 1893)
Helicops trivittatus (from Boulenger 1893)