head, reptile:1

Argent, a serpent's head erased to sinister, a bordure wavy gules. Bethan Bacon (5/2008G)

Argent, two bendlets sable scaly argent, in sinister chief a snake's head affrontee, horned of ram's horns, sable. Dubhgall O'Connor (7/1991 West)

Azure, on a bend sinister between a trefoil and a fleur-de-lys argent a turtle's head bendwise sinister couped vert. Tonk O'Tuathail (4/1983 Midd)

Or, an alligator's head couped close contourny purpure and a bordure vert. Nikodemus Mercator (10/2001 Meri)

Or, on a pile throughout gules a lizard's skull fesswise argent. Vargskol Halfblood (10/2004 Anst)

Per bend sinister azure and sable, in bend a pithon and a cobra's head couped contourny argent. Sigurðr Gargansauga (7/1996 Caid)

Sable, a lizard's skull fesswise argent. Vargskol Halfblood (10/2004 Anst)