Related how?

Biota (Life)
Eukaryote (Eukarya)
Podiata
Unikont (Unikonta)
Opisthokont (Opisthokonta)
Holozoa
Filozoa
Apoikozoa (Choanozoa)
Animal (Animalia)
Metazoa
Epitheliozoa
Eumetazoa
Bilateria
Deuterostome (Deuterostomia)
Chordata (Chordates)
Olfactores
Craniata (Craniata (chordata))
Vertebrata (Animals with backbone)
Gnathostomata (Gnathostome)
Eugnathostomata
Teleostomi
Euteleostomi
Sarcopterygii (Lobe-finned fishes)
Dipnotetrapodomorpha
Tetrapodomorpha (Tetrapodomorph)
Tetrapoda (Tetrapod)
Reptiliomorpha
Amniota (Amniote)
Sauropsida
Reptilia (Reptiles)
Eureptilia
Romeriida
Diapsid (Diapsida)
Neodiapsida
Sauria
Lepidosauromorpha (Lepidosauromorph)
Lepidosauria
Squamata (Scaled reptiles)
Episquamata
Toxicofera
Ophidia
Serpentes (Snake)
Alethinophidia
Caenophidia (Caenophidian)

Colubroidea (263205)

Children (7 direct children, 710 direct and indirect children):

Viperidae (tree size 697)
The viper family

Dipsadidae (tree size 6)

Calamariidae

Pseudoxenodontidae

Russellophiidae

Anomalopheidae

Russellopheidae