Family Chelidae
This family regroups Australian and American side-neck turtles.

Chelodina mccordi mccordi – Roti Island snake-necked turtle
Chelus fimbriatus – Mata mata
Elseya branderhorsti – New Guinea snapping turtle
Elseya novaeguineae – Western New Guinea stream turtle

Family Pelomedusidae
This family regroups both African and American side-neck turtles.

Family Podocnemididae
This family regroups the Madagascar big-headed turtle and the American river turtles.

Erymnochelys madagascariensis – Madagascan big-headed turtle
Podocnemis expansa – Arrau river turtle
Podocnemis vogli – Savanna side-necked turtle