tion of mostly terrestrial animals some 30 million years after most of Pangaea
was assembled. Pangaea remained intact for another 40 million years, after
which it rifted apart into the present continents.
After examining the amphibians of the Carboniferous coal forests, the
next chapter explores the evolution of their cousins the reptiles during the
Permian period.Figure 118Lycaenops
were reptiles that might
have hunted in packs.
Historical Geology