Taxa in Extant Turtles

Subclass Anapsida
Order Testudines - Turtles (phylogeny1, phylogeny2)

Suborder Cryptodira

* Family Chelydridae (Snapping Turtles)

Superfamily Testudinoidea

* Family Emydidae (Pond Turtles/Box and Water Turtles)
* Family Testudinidae (Tortoises)
* Family Geoemydidae (Bataguridae) (Asian River Turtles, Leaf and Roofed Turtles, Asian Box Turtles)

Superfamily Trionychoidea

* Family Carettochelyidae (Pignose Turtles)
* Family Trionychidae (Softshell Turtles)

Superfamily Kinosternoidea

* Family Dermatemydidae (River Turtles)
* Family Kinosternidae (Mud and Musk Turtles)

Superfamily Chelonioidea

* Family Cheloniidae (Sea Turtles)
* Family Dermochelyidae (Leatherback Turtles)

Suborder Pleurodira (phylogeny, but see also phylogeny2)

* Family Chelidae (Austro-American Sideneck Turtles)

Superfam. Pelomedusoidea

* Family Pelomedusidae (Afro-American Sideneck Turtles)
* Family Podocnemididae (Madagascan Big-headed and American Sideneck River Turtles)