''Tropidonophis'' is a

genus 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 nom ...

snake Snakes are elongated, limbless, carnivorous reptiles of the suborder Serpentes . Like all other squamates, snakes are ectothermic, amniote vertebrates covered in overlapping scales. Many species of snakes have skulls with several more j ...

s in the subfamily

Natricinae The Natricinae are a subfamily of colubroid snakes, sometimes referred to as a family (Natricidae). The subfamily comprises 37 genera. Members include many very common snake species, such as the European grass snakes, and the North American wa ...

of the

family Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...

Colubridae. www.reptile-database.org.

Species

The following 20

species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...

are recognized as being valid. *'' Tropidonophis aenigmaticus'' – East Papuan keelback, *'' Tropidonophis dahlii'' – New Britain keelback *'' Tropidonophis dendrophiops'' – spotted water snake *'' Tropidonophis dolasii'' *''

Tropidonophis doriae ''Tropidonophis doriae'', commonly known as the barred keelback, is a species of snake belonging to the family Colubridae. The species is native to New Guinea and some nearby islands. Etymology The specific name, ''doriae'', commemorates Ital ...

'' – barred keelback *'' Tropidonophis elongatus'' – Moluccan keelback *'' Tropidonophis halmahericus'' *'' Tropidonophis hypomelas'' – Bismarck keelback *'' Tropidonophis mairii'' – common keelback, Mair's keelback *'' Tropidonophis mcdowelli'' – Northern New Guinea keelback *'' Tropidonophis montanus'' – North Irian montane keelback *'' Tropidonophis multiscutellatus'' – many-scaled keelback *'' Tropidonophis negrosensis'' – Negros spotted water snake *'' Tropidonophis novaeguineae'' – New Guinea keelback *'' Tropidonophis parkeri'' – Parker's keelback, highland keelback *'' Tropidonophis picturatus'' – painted keelback *'' Tropidonophis punctiventris'' – Halmahera keelback *'' Tropidonophis spilogaster'' – Boie's keelback *'' Tropidonophis statisticus'' – Papua New Guinea montane keelback *'' Tropidonophis truncatus'' ''

Nota bene (, or ; plural form ) is a Latin phrase meaning "note well". It is often abbreviated as NB, n.b., or with the ligature and first appeared in English writing . In Modern English, it is used, particularly in legal papers, to draw the atten ...

'': A

binomial authority In taxonomy, binomial nomenclature ("two-term naming system"), also called nomenclature ("two-name naming system") or binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, bot ...

in parentheses indicates that the species was originally described in a genus other than ''Tropidonophis''.

Species

References

Further reading