genera
Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nomenclat ...
colloquially called " rat snakes" or "ratsnakes".
The generic name derives from Ancient Greek πτυάς, meaning " spitter", which referred to a kind of snake believed to spit venom in the eyes of humans, although in reality none of the ''Ptyas'' are known to spit venom.
Species
13 species are recognized:
* ''
Ptyas carinata
''Ptyas carinata'', commonly known as the keeled rat snake, is a species of colubrid snake. It is found in Indonesia, Myanmar, Malaysia, Thailand, Philippines, Cambodia,India, Vietnam and Singapore. This little known species is probably the larg ...
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* Benjamin Boulenger (born 1990), French footballer
* Edward George Boulenger (1888–1946), British zoologist, director of aquarium at London Zoo
* George Albert Boulenger (1858–1 ...
Ptyas herminae
The Sakishima green snake (''Ptyas herminae'') is a species of snake in the family Colubridae. The species is endemic to the Yaeyama Islands in the southern Ryukyu Islands of Japan.
Etymology
The specific name, ''herminae'', is in honor of Boe ...
Ptyas korros
''Ptyas korros'', commonly known as the Chinese ratsnake or Indo-Chinese rat snake, is a species of colubrid snake endemic to Southeast Asia.
Description
Snout obtuse, projecting; eye very large. Rostral visible from above; internasals shorter ...
Ptyas major
The greater green snake or Chinese green snake (''Ptyas major'') is a snake of the family Colubridae.
Distribution
This species can be found in Central/South China (Hainan, Henan, Gansu, Anhui, Sichuan, Fujian, Guangdong, Guangxi, Guizhou, ...
Greater green snake
The greater green snake or Chinese green snake (''Ptyas major'') is a snake of the family Colubridae.
Distribution
This species can be found in Central/South China (Hainan, Henan, Gansu, Anhui, Sichuan, Fujian, Guangdong, Guangxi, Guizhou, Hun ...
1758
Events
January–March
* January 1 – Swedish biologist Carl Linnaeus (Carl von Linné) publishes in Stockholm the first volume (''Animalia'') of the 10th edition of Systema Naturae, 10th edition of ''Systema Naturae'', the sta ...
) – Oriental ratsnake, ''dhaman''
* ''
Ptyas multicincta
''Ptyas'' is a genus of colubrid snakes. This genus is one of several colubrid genera colloquially called "rat snakes" or "ratsnakes".
The generic name derives from Ancient Greek πτυάς, meaning " spitter", which referred to a kind of snake ...
'' ( Roux, 1907) – Many-banded green snake, North China green snake
* ''
Ptyas nigromarginata
''Ptyas nigromarginata'', commonly known as the green rat snake, is a species of snake in the family Colubridae. The species is endemic to Asia. www.reptile-database.org.
Geographic range
''P. nigromarginata'' is found in Bhutan, Nepal, India ...
Ptyas semicarinata
''Ptyas'' is a genus of colubrid snakes. This genus is one of several colubrid genera colloquially called "rat snakes" or "ratsnakes".
The generic name derives from Ancient Greek πτυάς, meaning " spitter", which referred to a kind of snake ...