Turtles are reptiles of the order Testudines, characterized by a special shell developed mainly from their ribs. Modern turtles are divided into two major groups, the Pleurodira (side necked turtles) and Cryptodira (hidden necked turtles), which differ in the way the head retracts.

2 天之前 · A turtle is any reptile with a body encased in a bony shell, including tortoises. The turtle shell has a top (carapace) and a bottom (plastron). The carapace and plastron are bony structures that usually join one another along each side of the body, creating a rigid skeletal box. Turtles are members of the order Testudines.

Everything you should know about the Turtle. The Turtle is an aquatic reptile that lives inside its shell. Some turtles live in the water, some venture out.

From giant, slow-moving land-dwelling tortoises and snappy terrapins basking in their fresh-water lagoons, to the graceful strokes of a sea turtle gliding through our oceans – check out our ten totally awesome turtle facts, below! 1. Turtles belong to one of the oldest reptile groups in the world – beating snakes, crocodiles and alligators! 2.

2025年3月24日 · Turtles have adapted to a remarkable variety of environments, but the greatest number of species occur in southeastern North America and South Asia. In both areas, most species are aquatic, living in bodies of water ranging from small ponds and bogs to …

2023年6月5日 · Turtles belong to the order Testudines, which is one of four groups of living reptiles. Turtles possess the typical characteristics of reptiles, being cold-blooded, egg-laying, scaly-skinned, vertebrate animals that breathe air with lungs. Turtles are not amphibians; reptiles and amphibians are two different groups of animals.

Sea turtles (superfamily Chelonioidea), sometimes called marine turtles, [3] are reptiles of the order Testudines and of the suborder Cryptodira. The seven existing species of sea turtles are the flatback, green, hawksbill, leatherback, loggerhead, Kemp's ridley, and olive ridley.

Turtles are one of the many reptiles on earth. They have a hard shell, which is useful for camouflage and protection from other animals. There are two types of turtles: side-necked turtles and hidden neck turtles. Side-necked turtles have long necks, but …

2 天之前 · Blanding's turtle (Emydoidea blandingii) Blanding's turtle (Emydoidea blandingii), a species native to the Great Lakes region and adjacent river systems in North America, has been classified as an endangered species by the International Union for …