Natricinae
Encyclopedia
Natricinae is a subfamily of the colubrid
Colubrid
A colubrid is a member of the snake family Colubridae. This broad classification of snakes includes about two-thirds of all snake species on earth. The earliest species of the snake family date back to the Oligocene epoch. With 304 genera and 1,938 species, Colubridae is the largest snake family...

 family
Family (biology)
In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...

 of snake
Snake
Snakes are elongate, legless, carnivorous reptiles of the suborder Serpentes that can be distinguished from legless lizards by their lack of eyelids and external ears. Like all squamates, snakes are ectothermic, amniote vertebrates covered in overlapping scales...

s which contains 28 genera
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

. Members of this subfamily include many very common snake species, such as the European Grass Snakes, and the North American Water Snakes.

Genera

In addition, the following genera are often placed here but may belong elsewhere:
  • Amplorhinus
  • Limnophis
  • Natriciteres
  • Psammodynastes
  • Xenochrophis
    Xenochrophis
    Xenochrophis is a genus of colubrid snakes found in Asia. They are commonly referred to as Painted Keelbacks.- Species of Xenochrophis :*Xenochrophis asperrimus, Boulenger's Keelback.*Xenochrophis bellula...

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