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

Adelphostigma occipitalis (from Santos 2009)
Adelphostigma occipitalis (from Santos 2009)
Adelphostigma occipitalis (from Cei 1986)
Adelphostigma occipitalis (from Pereira-Filho & al. 2017)
Adelphostigma occipitalis (from Santos 2009)
Adelphostigma occipitalis (from Santos 2009)
Adelphostigma quadriocellata (from Santos 2009)
Adelphostigma quadriocellata (from Source unknown)
Adelphostigma quadriocellata (from Santos & al. 2008)