Zamenis

Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Cladus: Craniata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Classis: Reptilia
Cladus: Eureptilia
Cladus: Romeriida
Subclassis: Diapsida
Cladus: Sauria
Infraclassis: Lepidosauromorpha
Superordo: Lepidosauria
Ordo: Squamata
Subordo: Serpentes
Infraordo: Caenophidia
Superfamilia: Colubroidea

Familia: Colubridae
Subfamilia: Colubrinae
Genus: Zamenis
Species: Z. hohenackeri – Z. lineatus – Z. longissimus – Z. persicus – Z. situla
Name
Zamenis Wagler, 1830

Zamenis is a genus of Old World nonvenomous snakes in the family Colubridae.
Name

Zamenis comes from Greek ζαμενής (lat. vehemens, iracundus)[1] meaning "angry", "irritable", "fierce".
Species

The following 6 species are recognized as being valid:[2]

Zamenis hohenackeri (Strauch, 1873) – Transcaucasian ratsnake
Zamenis lineatus (Camerano, 1891) – Italian Aesculapian snake
Zamenis longissimus (Laurenti, 1768) – Aesculapian snake
Zamenis persicus (F. Werner, 1913) – Persian ratsnake
Zamenis scalaris (Schinz, 1822) – Ladder snake
Zamenis situla (Linnaeus, 1758) – European ratsnake

Nota bene: A binomial authority in parentheses indicates that the species was originally described in a genus other than Zamenis.
References

Wagler, J. (1830). Natürliches System der Amphibien : mit vorangehender Classification der Säugethiere und Vögel : ein Beitrag zur vergleichenden Zoologie. Munich, Stuttgart and Tübingen: J.G. Cotta. vi + 354 pp. + one plate, in German and Latin. (Zamenis, new genus, p. 188.) Available online at the Biodiversity Heritage Library (BHL).
"Zamenis ". The Reptile Database. www.reptile-database.org.