Spider-tailed Horned Viper
Pseudocerastes urarachnoides
- Near threatened
- Card rarity: Uncommon
- Reptiles

The spider-tailed horned viper is a species of viper, a venomous snake, in the family Viperidae and genus Pseudocerastes. The genus is commonly known as "false-horned vipers". The species is endemic to western Iran and the Iran-Iraq border region.
Classification
- Class
- Reptilia
- Order
- Squamata
- Family
- Viperidae
- Genus
- Pseudocerastes