• Species and lower taxa
• Higher taxa
• Common names

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Savannah side-necked turtle

Serrated snapping turtle

Serrated tortoise

Shanghai softshell turtle

Six-tubercled river turtle

South African bowsprit tortoise

South American river turtle

South American snake-necked turtle

Southeast Asian narrow-headed softshell turtle

Spot-legged turtle

Spotted box turtle

Spotted pond turtle

Steindachner's snake-necked turtle

Sabine map turtle

San Cristóbal (Chatham) Island tortoise

San Juanico mud turtle

Santa Cruz (Indefatigable) Island tortoise

Santiago (James) Island tortoise

Sardinian pond turtle

Saw-shelled snapping turtle

Scorpion mud turtle

Senegal flapshell turtle

Serrated hinge-back tortoise

Seychelles black mud turtle

Seychelles giant tortoise

Seychelles mud turtle

Seychelles yellow-bellied mud turtle

Short-necked alpha

Siamese temple turtle

Side-necked river turtles

Side-necked turtles

Side-necked turtles

Siebenrock's Caspian turtle

Siebenrock's snake-necked turtle

Six-footed tortoise

Six-tubercled Amazon River turtle

Slider turtles

Smooth softshell turtle

Snake-eating turtle

Snake-necked turtles

Snapping turtles

Snapping turtles

Softshell turtles

Sonoran mud turtle

Sonoran mud turtle

Sonoyta mud turtle

South African star tortoises

South American side-necked swamp turtles

South American side-necked turtles

South American snake-necked turtles

South American snapping turtle

Southeast Asian box turtle

Southeast Asian box turtle

Southern black-knobbed map turtle

Southern Orbigny's slider

Southern Pacific pond turtle

Southern painted turtle

Southern speckled padloper

Southern spider tortoise

Southern spotted box turtle

Southern stripe-necked leaf turtle

Southern white-lipped mud turtle

Spanish pond turtle

Speckled padloper

Speke's hinge-back tortoise

Spider tortoises

Spiny softshell turtle

Spiny turtle

Spiny-neck turtle

Spotted pond turtles

Spotted turtle

Spotted-bellied Caspian turtle

Spotted-bellied side-necked turtle

Spotted-legged turtle

Spur-thighed tortoise

Spur-thighed tortoise

Sri Lanka black turtle

Starred tortoise

Starred tortoise

Stinkpot turtle

Stripe-necked musk turtle

Stripe-necked turtles

Striped mud turtle

Striped narrow-headed softshell turtle

Sub-Saharan flapshell turtles

Sulawesi forest turtle

Suwannee river cooter

Swinhoe's softshell turtle