After Uetz, Etzold & Chenna, 1995-2000 [“The TIGR Reptile Database ” (former EMBL Reptile Database)]

<==o Dipsadinae (amerikan kotilokäämeet)
   |-- Adelphicos 
   |-- Amastridium 
   |--o Atractus 
   |  |-- A. edioi Da Silva et al., 2005
   |  |-- A. natans Hoogmoed & Prudente, 2003
   |  `-- A. thalesdelemai Passos, Fernandes & Zanella, 2005
   |-- Chersodromus 
   |-- Coniophanes 
   |-- Cryophis 
   |--o Dipsas 
   |  |-- D. catesbyi
   |  `-- D. pakaraina MacCulloch & Lathrop, 2004
   |-- Eridiphas 
   |-- Geophis 
   |-- Hypsiglena 
   |-- Imantodes 
   |-- Leptodeira 
   |-- Ninia 
   |-- Pliocercus 
   |-- Pseudoleptodeira 
   |-- Rhadinaea 
   |-- Sibon 
   |-- Sibynomorphus 
   |-- Tretanorhinus 
   |-- Trimetopon 
   |-- Tropidodipsas 
   |-- Urotheca 
   |?- Calamodontophis 
   |?- Carphophis 
   |?- Contia 
   |?- Crisantophis 
   |?- Diadophis 
   |?- Diaphorolepis 
   |?- Echinanthera 
   |?- Emmochliophis 
   |?- Enuliophis 
   |?- Enulius 
   |?- Gomesophis 
   |?- Hydromorphus 
   |?- Nothopsis 
   |?- Pseudotomodon 
   |?- Ptychophis 
   |?- Rhadinophanes 
   |?- Synophis 
   |?- Tachymenis 
   |?- Taeniophallus 
   |?- Tantalophis 
   |?- Thamnodynastes 
   |?- Tomodon 
   `?- Xenopholis

Reference(s):