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1. en.wikipedia.org › wiki › ViperidaeViperidae - Wikipedia

   en.wikipedia.org › wiki › Viperidae

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   Viperidae Gray, 1825. [1] The Viperidae ( vipers) are a family of snakes found in most parts of the world, except for Antarctica, Australia, [2] Hawaii, Madagascar, New Zealand, Ireland, and various other isolated islands. They are venomous and have long (relative to non-vipers), hinged fangs that permit deep penetration and injection of their ...

   • Viperinae

     Viperinae, or viperines, are a subfamily of vipers endemic...

   • Crotalinae

     The Crotalinae, commonly known as pit vipers, or pit adders,...

   • Viper (Disambiguation)

     Animals. Water viper (Agkistrodon piscivorus), a venomous...

   • List of Snakes

     Lists General lists. General lists: Snake#Taxonomy; List of...

   • Crotalus ATROX

     The western diamondback rattlesnake or Texas diamond-back...

   • Snakebite

     A snakebite is an injury caused by the bite of a snake,...

   • Vipera Berus

     Adder. Vipera berus, also known as the common European adder...

   • Viverridae

     Viverridae is a family of small to medium-sized, feliform...

   • Viper

     Vipers are nocturnal, meaning that they sleep in the day and...

2. www.newworldencyclopedia.org › entry › ViperViperidae - New World Encyclopedia

   www.newworldencyclopedia.org › entry › Viper

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   Viperidae, whose members are commonly known as vipers, is a family of venomous snakes characterized by a head that is distinct from the body and with a single pair of long, hollow, venom -injecting fangs that can be folded back against the top of the mouth, tip inward, when the mouth is closed. The term viperid also is used for members of ...

   • Class: Reptilia
   • Phylum: Chordata

   • Kingdom: Animalia
   • Subphylum: Vertebrata

3. www.thoughtco.com › vipers-profile-129372About Vipers, Family Viperidae - ThoughtCo

   www.thoughtco.com › vipers-profile-129372

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   Apr 16, 2019 · The viper family includes about 265 species. Vipers are classified into one of four groups: Azemiopinae: Fea's viper. Causinae: night adders. Crotalinae: pit vipers. Viperinae: true vipers. The Viperinae, also known as the Old World vipers, are short and stocky snakes. They have a wide, triangular head and rough, keeled scales.

4. People also ask

   Is the Viperidae a monophyly?

   • Monophyly of the Viperidae is well supported by molecular and anatomical data. Available evidence suggests that the Viperidae is the most basal family of the Colubroidea, which also includes the Colubridae, Elapidae, and Atractaspididae. Four subfamilies are recognized.

   Vipers and Pitvipers (Viperidae) | Encyclopedia.com

   www.encyclopedia.com/environment/encyclopedias-almanacs-transcripts-and-maps/vipers-and-pitvipers-viperidae

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   Are Viperidae a phylogenetic snake?

   • Researchers have devoted considerable effort to reconstructing the phylogenetic history of the Viperidae, and, consequently, extensive revision of the classification of these snakes was done throughout the end of the twentieth century and has continued into the twenty-first century.

   Vipers and Pitvipers (Viperidae) | Encyclopedia.com

   www.encyclopedia.com/environment/encyclopedias-almanacs-transcripts-and-maps/vipers-and-pitvipers-viperidae

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   Are vipers endangered?

   • There are currently about 26 species of vipers that are considered vulnerable, endangered or critically endangered. Some of the rarest vipers include the golden lancehead and the Mt. Bulgar viper. Like most snakes, vipers appear not to care for young after hatching.

   About Vipers, Family Viperidae - ThoughtCo

   www.thoughtco.com/vipers-profile-129372

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   Where are viperines found?

   • Viperines are found in Africa, Europe, and Asia, while members of Causus is restricted to sub-Sahara Africa and Azemiops occurs in southern China, Laos, Vietnam, and Myanmar (Nilson and Gutberlet 2004). Crotalines inhabit both the Old and New World. Australia lacks any viperids.

   Viperidae - New World Encyclopedia

   www.newworldencyclopedia.org/entry/Viperidae

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5. www.encyclopedia.com › environment › encyclopediasVipers and Pitvipers (Viperidae) | Encyclopedia.com

   www.encyclopedia.com › environment › encyclopedias

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   Vipers and pitvipers (Viperidae) Class ReptiliaOrder SquamataSuborder SerpentesFamily ViperidaeThumbnail description Small to large venomous snakes with hollow fangs attached to shortened, movable maxillary bonesSize ca. 1–11.8 ft (30–360 cm)Number of genera, species 36 genera; 256 speciesHabitat Deserts, steppes, mountains, forests ...