Taxonomy of Finfish (1+2)

4.2.1 Class: Reptilia

4.2.1 Reptilia

The air-breathing, ectothermic (cold-blooded) vertebrate animals  which are characterized by laying shelled eggs and having skin covered in scales and/or scutes.  They are creeping tetrapods, either having four limbs or being descended from four-limbed ancestors.They were evolved around 320-310 million years ago during the Carboniferous period.  The largest reptile is Crocodylus porosus and the smallest one is Sphaerodactylus ariasae.  The living reptalians are grouped under four orders.

 

1.   Order Testudines (Turtles)

2.   Order Rhynchocephala (Tuataras)

3.   Order Squamata (Snakes, lizards, and worm lizards)

                     i.        Suborder Lacertilia (Lizards)

                    ii.        Suborder Amphisbaenia (worm lizards)

                   iii.        Suborder Serpentes (Snakes)

4.   Order Crocodilia (Crocodiles )