What are the 3 major groups of reptiles?

What are the 3 major groups of reptiles?

The major groups of living reptiles—the turtles (order Testudines), tuatara (order Rhynchocephalia [Sphenodontida]), lizards and snakes (order Squamata), and crocodiles (order Crocodylia, or Crocodilia)—account for over 8,700 species.

What are the sub classes of reptiles?

The class Reptilia is divided into five subclasses—Anapsida, Ichthyopterygia, Lepidosauria, Archosauria, and Synapsida: A.

What are reptiles give three examples?

Reptiles are air-breathing vertebrates covered in special skin made up of scales, bony plates, or a combination of both. They include crocodiles, snakes, lizards, turtles, and tor- toises. All regularly shed the outer layer of their skin. Their metabolism depends on the temperature of their environment.

How many reptile groups are there?

Reptiles, traditionally considered one of the major classes of the phylum Vertebrata, include three major groups: turtles (Order Testudines), crocodilians (Order Crocodylia), and snakes and lizards (Order Squamata).

What is the classification of Aves?

Reptiles
Birds/Class

What are the three main groups of reptiles?

Most reptiles can be classified into three large groups: the turtles (order Chelonia), the snakes and lizards (order Squamata), and the alligators and crocodiles (order Crocodilia). Most reptiles share a number of general morphological features.

What kind of animal is a reptile?

Unsourced material may be challenged and removed. Reptiles are tetrapod animals in the class Reptilia, comprising today’s turtles, crocodilians, snakes, amphisbaenians, lizards, tuatara, and their extinct relatives. The study of these traditional reptile orders, historically combined with that of modern amphibians, is called herpetology .

How many species are in the class Reptilia?

The class Reptilia is composed of about 5,100 species, organized in three very closely interrelated groups: the lizards (order Lacertilia), composed of about 3,165 species; the amphisbaenians (order Amphisbaenia), which consist of about 135 species; and the snakes (order Serpentes), which contain about 1,800 species.

What do you call the study of reptiles?

The study of these traditional reptile orders, historically combined with that of modern amphibians, is called herpetology . The following list of reptiles lists the vertebrate class of reptiles by family, spanning two subclasses.