| Type of | : | Viperidae (Family) Oppel, 1811 | |
Ref: R.A. Pyron et al., 2013: 48. [inferred] |
| Type of | : | Viperinae (Subfamily) Oppel, 1811 | |
Ref: R.A. Pyron et al., 2013: 48. [inferred] |
| Type | : | Vipera aspis (Linnaeus, 1758) | |
Ref: P. Uetz et al. (eds.), 2016: 16 Aug 2016. |