Cogwheel Turtle basic information

The Cogwheel Turtle is easy to recognize due to its distinctive shell, which is marked by spines on the keel and pleural scutes. The Cogwheel Turtle grows between 7 and 8.5 inches (18 and 22 cm) in length, and weighs between 3.3 and 4.5 pounds (1.5 and 2.0 kg) at maturity. They are named for their spikes, or spines though adult Cogwheel Turtles may loose their spines when they reach maturity. Young Cogwheel Turtles have been said to resemble pincushions because their spikes are so sharp. As they mature these will wear down and are not nearly as obvious as those of the young. Some adults may not have visible spikes, particularly those on the side. They can be difficult to sex. Males usually have longer, broader tails than the females. Males also have a concave plastron.

Complete List
African helmeted terrapin	Australian snake necked turtle	Big Headed Turtle	Black Marsh Terrapin	Blanding's Turtle
Bog Turtle	Box Turtle - Chinese	Box Turtle - Eastern	Box Turtle - Gulf Coast	Box Turtle - Indonesian
Box Turtle - Keeled	Box Turtle - Ornate	Box Turtle - Three Toe	Cogwheel Turtle	Diamondback Terrapin
East African Side Necked Turtle	European Pond Turtle	Florida Cooter	Fly River Turtle	Honduran Wood Turtle
Leaf Turtle	Map Turtle	Mata Mata Turtle	Musk Turtle	Painted River Terrapin
Painted Turtle - Eastern	Painted Turtle - Western	Red Eared Slider	Reeve's Terrapin	Snapping Turtle
Softshell Turtle - Black Rayed	Softshell Turtle - Eastern Spiny	Softshell Turtle - Florida	Spotted Turtle	Wood Turtle - Central American
Wood Turtle - North American	Yellow Spotted Amazon River Turtle	African Spurred Tortoise	Aldabra Giant Tortoise	Bow-Sprit Tortoise
Burmese Brown Tortoise	Chaco Tortoise	Desert Tortoise	Egyptian Tortoise	Elongated Tortoise
Forsten's Tortoise	Galapagos Tortoise	Gopher Tortoise	Greek Spur Thighed Tortoise	Hermann's Tortoise
Hingeback Tortoise - Bell's	Hingeback Tortoise - Home's	Impressed Tortoise	Leopard Tortoise	Leopard Tortoise - South African
Marginated Tortoise	Pancake Tortoise	Radiated Tortoise	Red Foot Tortoise	Russian Tortoise
Star Tortoise	Yellow Foot Tortoise

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This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Cogwheel_Turtle".