diversity of life

What kind of living beings are there, where do these beings live, how are the living beings related to one another?


From the amphibians (= the first land vertebrates) evolved:

The today`s Lissamphibia (lissamphibians).

The amniotes (= reptiles) with today`s Aves (birds), Crocodylia (crocodilians), Testudinata (turtles), Lepidosauria (lepidosaurs) and Mammalia (mammals).