List of four main types of reptilia found in the world. The types are: 1. Dinosaur 2. Tortoises and Turtles 3. Lizards 4. Snakes. Reptilia: Type # 1. Dinosaur: The word ‘dinosaur’ is a blend of the Greek terms ‘deinos’ (meaning terrible) and saurus (meaning lizard). Richard Owen coined the term dinosaur. The dinosaurs were divided into two main types; [...]
In this article we will discuss about:- 1. General Characteristics of Class Reptilia 2. Classifications of Living Reptiles 3. Extinct Groups 4. Embryonic Membrane 5. Features. General Characteristics of Class Reptilia: Some of the general characters of class Reptilia are listed below: 1. Reptiles are the creeping and burrowing cold blooded vertebrates bearing epidermal scales. They are ectothermic (cold-blooded) and [...]
In this article we will discuss about the meaning and classification of chordata. Meaning of Chordata: The Chordata (chorde = cord) includes well-known animals such as lampreys, fishes, amphibians, reptiles, birds and mammals. They also include protochordates such as balanoglossus, ascidia and amphioxus. All chordates possess a notochord at least for some time in their life-history. It is the notochord [...]