Snakes are grouped in the class reptilia with lizards, turtles, crocodiles and tuatara.
Snakes are quite different from these other species so they are grouped in the order squamata,
which only includes their close relatives the lizards.
PHYLUM AND SUBPHYLUM - CHORDATA
CLASS AND SUBCLASS - REPTILIA
Suborder Ophidia (Serpentes) - Snakes
(Typhlopoidea (Scolecophidia), Henophidia (Boidea)
Xenophidia (Colubroidea = Caenophidia))
Infraorder Henophidia (Boidea)
Subfamily Boinae (Boas)
Subfamily Erycinae (Sand Boas)
Subfamily Pythoninae (Pythons)
- - Morelia spilota variegata,