Select the snake family or subfamily and your current world region. If you don't know the family/subfamily, go to the "Find terrestrial snake by morphology (general)" page and follow the instructions.
Find terrestrial venomous snake by morphology (regional)
Selection
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Morphological identification key
| Viperinae | |||||||
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b) elsewhere in this region
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a |
Striking markings consisting of oval blotches, conspicuously large nostrils? |
yes |
Daboia russelli ssp. |
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| no |
Go to Vipers: North Africa, Near and Middle East |
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| b |
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Are there at least 3 (up to 9) large shields on the top of the head? |
yes |
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| no | |||||||
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Striking markings consisting of oval blotches, conspicuously large nostrils? |
yes |
Daboia russelli ssp. | |||||
| no |
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Do the lateral scales have saw-like serrated keels? |
yes | Echis carinatus |
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| no | Macrovipera lebetina | ||||||