| Hydrodynastes | |
|---|---|
 | |
| Hydrodynastes gigas | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Order: | Squamata |
| Suborder: | Serpentes |
| Family: | Colubridae |
| Subfamily: | Dipsadinae |
| Genus: | Hydrodynastes Fitzinger, 1843 [1] |
Hydrodynastes is a small genus of large colubrid snakes in the subfamily Dipsadinae. [1] The genus is endemic to South America. [2]
Two species are recognized.
Corytophanidae is a family of iguanian lizards, also called casquehead lizards or helmeted lizards, endemic to the New World. Nine species of casquehead lizards from three genera are recognized.
Gonatodes is a genus of New World dwarf geckos of the family Sphaerodactylidae.
Pedioplanis is a genus of lizards in the family Lacertidae. All species of Pedioplanis are endemic to southern Africa.
Drymarchon is a genus of large nonvenomous colubrid snakes, commonly known as indigo snakes or cribos, found in the Southeastern United States, Central America, and South America. Reaching 3 m (9.8 ft) or more in length, they are among the world's largest colubrid snakes.
Hydrodynastes gigas is a New World species of large, rear-fanged, Dipsadin snake endemic to South America. It is commonly and alternatively known as the false water cobra and the Brazilian smooth snake. The false water cobra is so named because when the snake is threatened it "hoods" as a true cobra does. Unlike a true cobra, though, it does not rear up, but remains in a horizontal position. No subspecies are currently recognized as being valid.
Oxyrhopus petolarius, commonly known as the false coral, or the calico snake, is a species of snake in the family Colubridae. The species is endemic to South America. There are three recognized subspecies.
The Natricinae are a subfamily of colubroid snakes, sometimes referred to as a family (Natricidae). The subfamily comprises 36 genera. Members include many very common snake species, such as the European grass snakes, and the North American water snakes and garter snakes. Some Old World members of the subfamily are known as keelbacks, because their dorsal scales exhibit strong keeling.
Dromophis is a genus of colubrid snakes. There are two commonly accepted species in the genus Dromophis:
The Colubrinae are a subfamily of the family Colubridae of snakes. It includes numerous genera, and although taxonomic sources often disagree on the exact number, The Reptile Database lists 717 species in 92 genera as of September 2019. It is the second largest subfamily of colubrids, after Dipsadinae. Many of the most commonly known snakes are members of this subfamily, including rat snakes, king snakes, milk snakes, vine snakes, and indigo snakes.
Psammophis is a genus of snakes in the family Psammophiidae. The genus comprises 33 species, which are found in Africa and Asia. Psammophis are diurnal and prey on lizards and rodents which they actively hunt. All species in the genus are venomous, and the venom is considered mild and not dangerous to humans.
Dendrophidion is a genus of New World colubrid snakes commonly referred to as forest racers.
Lycophidion is a genus of nonvenomous lamprophiid snakes commonly referred to as the wolf snakes.
Coelognathus is a genus of seven rat snakes from South and Southeast Asia that were formerly assigned to the genus Elaphe. Based on morphological evidence and protein similarities, in 2001, Helfenberger revalidated the name Coelognathus that had originally been proposed by Leopold Fitzinger in 1843. The distinction between Coelognathus and Elaphe was further supported by mitochondrial DNA sequence and additional morphological evidence in 2005.
The striped swamp snake, also known as the African swamp snake, is a species of colubrid snake. It is one of two members of the genus Dromophis. It is found in several African countries, including Burkina Faso, Senegal, Guinea-Bissau, Mali, Ivory Coast, Togo, Ghana, Benin, Niger, Nigeria, and Cameroon.
Lycodonomorphus is a genus of snakes commonly referred to as African water snakes. They are small, nonvenomous snakes, with all members being endemic to Africa, especially Tanzania.
Boaedon is a genus of African lamprophiids consisting of the "brown" house snakes. The genus was originally described by Duméril but the species contained were reclassified as Lamprophis by Fitzinger in 1843, this taxonomy remained widely accepted until November 2010 when a phylogenetic study was published by C.M.R Kelly et al. who resurrected the Boaedon clade. Although commonly regarded as belonging to the Colubridae, primary literature usually lists them, and related species, as belonging to the family Lamprophiidae within the superfamily which includes the venomous cobras and mambas, Elapoidea.
The Lamprophiidae are a family of snakes found throughout much of Africa, including the Seychelles. There are 89 species as of July 2022.
Dipsadinae is a large subfamily of colubroid snakes, sometimes referred to as a family (Dipsadidae). They are found in most of the Americas, including the West Indies, and are most diverse in South America. There are more than 700 species.
Lygophis is a genus of snakes in the subfamily Dipsadinae of the family Colubridae. The genus is endemic to Panama and South America.
Lamprophiinae is a subfamily of lamprophiid snakes, a large group of mostly African snakes, most of which were formerly classified as colubrids but which we now know are actually more closely related to elapids.