There are about 23 species of living crocodilian. They come from the Order Crocodylia, otherwise known as Loricata in the Class Reptilia (whose status as a class may be being reconsidered). Common...
Totally there are more than 5 million species living in the earth , in that 67 percentage are living as water species , so the remaining are land species.
No one knows not even the smartest scientist will know there is still many undiscovered animal species in the world so there is over like 5 million different kinds.
We currently know of approximately 1.6 million species, with the number growing every year. We only know of a very small percentage, however, with estimates of the total number of species numbering...