• Species and lower taxa
• Higher taxa
• Common names

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Cagle's map turtle

Cantor's giant softshell turtle

Carolina diamondback terrapin

Carvalho's slider

Caspian turtle

Central African flapshell turtles

Central African mud turtle

Central American mud turtle

Central American river turtle

Central American river turtles

Central American snapping turtle

Central American wood turtle

Central Antillean slider

Central Asian tortoise

Central Asian tortoise

Central Chiapas mud turtle

Central Turkey pond turtle

Chaco side-necked turtle

Chaco tortoise

Chestnut mud turtle

Chiapas giant musk turtle

Chicken turtle

Chicken turtles

Chinese big-headed turtle

Chinese broad-headed pond turtle

Chinese pond turtles

Chinese red-necked pond turtle

Chinese softshell turtle

Chinese softshell turtles

Chinese stripe-necked turtle

Chinese striped-necked turtles

Chinese three-keeled pond turtle

Chinese three-striped box turtle

Chinese yellow-margined box turtle

Chordates

Coahuilan box turtle

Coastal Plain turtle

Cochin black turtle

Cochin forest cane turtle

Colchis pond turtle

Colima wood turtle

Colombian slider

Colombian wood turtle

Columbian mud turtle

Common African helmeted turtle

Common black-breasted leaf turtle

Common box turtle

Common cooter

Common Cuban slider

Common European pond turtle

Common map turtle

Common mud turtle

Common musk turtle

Common padloper

Common river terrapin

Common slider

Common snake-necked turtle

Common snapping turtle

Common snapping turtle

Common softshell turtles

Common spider tortoise

Common spider tortoise

Common tent tortoise

Common toad-headed turtle

Common twist-necked turtle

Common yellow-margined box turtle

Cooter turtles

Corsican pond turtle

Creaser's mud turtle

Crowned river turtle

Crowned river turtles

Cuatrocienegas slider

Cumberland slider