Dipsadids from the northern coast of Bahia: A Sibynomorphus neuwiedi B Imantodes cenchoa cenchoa C Leptodeira annulata annulata D Taeniophallus occipitalis E Helicops angulatus F Helicops leopardinus G Philodryas nattereri H Philodryas olfersii herbeus I Philodryas patagoniensis J Clelia plumbea K Oxyrhopus petolarius digitalis L Oxyrhopus trigeminus M Phimophis guerini N Pseudoboa nigra O Siphlophis compressus P Thamnodynastes pallidus Q Erythrolamprus aesculapii venustissimus R Erythrolamprus almadensis.