Warning: The NCBI web site requires JavaScript to function. more...
An official website of the United States government
The .gov means it's official. Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you're on a federal government site.
The site is secure. The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.
Viperidae
family, snakes
Nucleotide Protein
Zootoca
genus, lizards & snakes
Testudo
genus, turtles
Emys
Psammodromus
Mauremys
Scincidae
(skinks), family, lizards & snakes
Chalcides
Podarcis
Scinciformata
(scincomorph lizards), infraorder, lizards & snakes
Colubroidea
superfamily, snakes
Sauria
(diapsids), clade, vertebrates
Vipera
genus, snakes
Viperinae
(vipers), subfamily, snakes
Durocryptodira
clade, turtles
Natrix
Colubridae
(colubrid snakes), family, snakes
Serpentes
(snakes), infraorder, snakes
Lacerta
Lacertidae
family, lizards & snakes
Filters: Manage Filters
Your browsing activity is empty.
Activity recording is turned off.
Turn recording back on