Madagascar big-headed side-necked turtle
Madagascar big-headed turtle
Madagascar big-headed turtles
Madagascar flat-shelled spider tortoise
Madagascar ploughshare tortoise
Magdalena River turtle
Malagasy spider tortoise
Malayan box turtle
Malayan flat-shelled turtle
Malayan flat-shelled turtles
Malayan snail-eating turtle
Malayan snail-eating turtles
Malayan softshell turtle
Malayan softshell turtles
Malaysian giant turtle
Malaysian giant turtles
Mangrove diamondback terrapin
Map turtles
Maracaibo wood turtle
Marginated tortoise
Marine turtles
Mary River turtle
Mary River turtles
Matamata
Matamata turtle
Matamata turtles
Maximilian's snake-necked turtle
McCord's box turtle
McCord's snake-necked turtle
Mediterranean turtle
Meso-American slider
Mexican box turtle
Mexican giant musk turtle
Mexican gopher tortoise
Mexican mud turtle
Mexican Plateau mud turtle
Mexican red turtle
Mexican rough-footed mud turtle
Mexican snapping turtle
Mexican spotted wood turtle
Middle Eastern spur-thighed tortoise
Midland painted turtle
Midland smooth softshell turtle
Mississippi diamondback terrapin
Mississippi map turtle
Mississippi mud turtle
Murray River turtle