Supralabial scales — In reptiles, the supralabial scales, also called upper labials, are those scales that border the mouth opening along the upper jaw. They do not include the median scaleWright AH, Wright AA. 1957. Handbook of Snakes. Comstock Publishing Associates … Wikipedia
Snake scales — Snakes, like other reptiles, have a skin covered in scales. Boulenger, George A. 1890 The Fauna of British India. page 1] Snakes are entirely covered with scales or scutes of various shapes and sizes. Scales protect the body of the snake, aid it… … Wikipedia
Crotalus adamanteus — Conservation status Least Concern … Wikipedia
Agkistrodon contortrix — For other snakes commonly called copperheads, see Copperhead. Agkistrodon contortrix Conservation status … Wikipedia
Bothriopsis oligolepis — Taxobox name = Bothriopsis oligolepis regnum = Animalia phylum = Chordata subphylum = Vertebrata classis = Reptilia ordo = Squamata subordo = Serpentes familia = Viperidae subfamilia = Crotalinae genus = Bothriopsis species = B. oligolepis… … Wikipedia
Bothriopsis bilineata — Scientific classification Kingdom: Animalia Phylum … Wikipedia
Bothriopsis pulchra — Taxobox name = Bothriopsis pulchra regnum = Animalia phylum = Chordata subphylum = Vertebrata classis = Reptilia ordo = Squamata subordo = Serpentes familia = Viperidae subfamilia = Crotalinae genus = Bothriopsis species = B. pulchra binomial =… … Wikipedia
Bothriopsis punctata — Scientific classification Kingdom: Animalia Phylum: Chordata Subphylum: Vertebrata … Wikipedia
Bothrops atrox — Scientific classification Kingdom: Animalia Phylum … Wikipedia
Bothrops alternatus — Scientific classification Kingdom: Animalia Phylum … Wikipedia