| African Hingeback Tortoise Central: Dedicated to the care, biology, and conservation of tortoises in the genus Kinixys. |
| African Mud Turtles: An essay on taxonomy and the genus Pelusios by David Kirkpatrick. |
| American Box Turtles: Information on the conservation and captive care of North American Box Turtles, Terrapene sp. |
| Ashton Biodiversity Research and Preservation Institute: Research center contributing to a better understanding and management of biodiversity, currently focusing on turtle and tortoise conservation. Includes section on Gopher Tortoise Conservation Initiative. |
| Asian Turtle Crisis: The imminent threat of extinction of Asian turtle species from commercial exploitation, with links to related articles. |
| Bermuda Turtle Project: A research and education program sponsored by the Bermuda Aquarium, Museum and Zoo and the Caribbean Conservation Corporation. |
| Big-headed Turtle: A small semi-terrestrial turtle from Southeast Asia: Platysternon megacephalum. David T. Kirkpatrick. |
| Box Turtle Conservation Strategies, McKeever Center, Pennsylvania: Discusses loss of habitat, pet collecting, and predators. |
| Box Turtle Observation Project: General behavior observations, pictures, advice on NOT keeping them as pets. |
| California Turtle and Tortoise Club: Comprehensive resource for turtle and tortoise information. Includes photo gallery, sounds, species profiles, conservation news, and links. |
| Carettochelys.com: Information about the biology and captive care of the Australasian Pig-Nose Turtle (Carettochelys insculpta) and Emydura species. |
| Chelonia: Information from paleontologist Elena Kordikova, including the origin and evolution of Chelonia, classification, nomenclature, and a bibliography. |
| Chelonian Research Foundation: Publisher of the journal Chelonian Conservation and Biology, The Turtle and Tortoise Newsletter, and Chelonian Research Monographs. |
| David Kirkpatrick's Turtle Stuff: Full text of published articles about many different species of turtles. |
| Desert Tortoise Council: An international nonprofit organization whose members share a common fascination with wild desert tortoises and the environment they depend upon. |
| Desert Tortoise Preserve Committee: Group helps establish tortoise preserves, implements management programs for reserves and educational programs that evaluate measures aimed at ecosystem and critical habitat recovery. |
| Gopher Tortoise Guardians: Working hard to get better protection and to purchase habitat for tortoises in Florida. |
| Gopher Tortoise Organization: Conservation and management of the Gopher Tortoises (Gopherus polyphemus) and their habitat. |
| Leatherback Turtles in Cornwall: Description and classification of Dermochelys coriacea. |
| Nova Scotia Turtles: Photographic identification guide and species accounts for Nova Scotia's seven species. |
| Order Testudines: Informative pages from the Animal Diversity Web on most turtle species. Habitat information, photographs, and other resources. |
| Radiated Tortoise: Geochelone radiata, by David T. Kirkpatrick. |
| Red Eared Slider: Habitat and distribution Trachemys scripta elegans. |
| Semi-Aquatic Turtles Overview: The basics of turtle husbandry and recognizing commonly available native species from the States. |
| Snapping Turtle Page: Information about the biology and captive care of snapping turtles (Chelydra serpentina). |
| Testudo: Information about conservation of two species of tortoise (Testudo graeca and Testudo hermanni) in Bulgaria. In Bulgarian and English. |
| Turtle Survival Alliance: An international organization dedicated to sustainable captive management of freshwater turtles and tortoises. |
| Turtles and Tortugas: Personal page of a turtle fan with games and lots of other stuff. |
| Wood Turtle Earthworm Stomping: Stomping for Earthworms by Clemmys insculpta in Captivity. |
| World Chelonian Trust: Dedicated to the captive care and conservation of all turtles and tortoises. Includes gallery, care sheet, and taxonomic list. |
| World-Wide List of Turtles and Tortoises on Stamps: Illustrated list of stamps with depictions of turtles or tortoises. |
Classical
