Extinct snake (†Paraxenophis spanios)

Superdomain: Neomura

Domain: Eukaryota

(unranked): Unikonta

(unranked): Obazoa

(unranked): Opisthokonta

(unranked) Holozoa

(unranked) Filozoa

Kingdom: Animalia

Subkingdom: Eumetazoa

(unranked): Bilateria

Superphylum: Deuterostomia

Phylum: Chordata

Subphylum: Vertebrata

Superclass: Tetrapoda

Class: Reptilia

Subclass: Diapsida

Infraclass: Lepidosauromorpha

Superorder: Lepidosauria

Order: Squamata

Clade: Toxicofera

Clade: Ophidia

Suborder: Serpentes

Clade: Colubroides

Superfamily: Colubroidea

Family: †Unranked

Genus: †Paraxenophis

Species: †P. spanios

Done