What family do turtles belong to?

It depends on what type of turtle you are talking about.

Family Carettochelyidae (pignose turtles)

Family Chelidae (Austro-American side-necked turtles)

Family Cheloniidae (sea turtles)

Family Chelydridae (snapping turtles and big-headed turtles)

Family Dermatemydidae (Mesoamerican river turtle)

Family Dermochelyidae (leatherback turtle)

Family Emydidae (box turtles and pond turtles)

Family Kinosternidae (mud turtles and musk turtles)

Family Pelomedusidae (Afro-American side-necked turtles)

Family Testudinidae (tortois

es)

Family Trionychidae (softshell turtles)