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dimetrodon was the dominANT SPECIES OF THE permian period
The dominant organisms living at the Cretaceous period or time were first primates and flowering plants. This was the time when the extinction of the dinosaurs took place.
animals life ish
dinosaurs
Adam And Eve
a shark and a snail
During the Tertiary Period the dominant organisms were mammals. These mammals included the many different types of dinosaurs that were roaming the earth 65 million years ago. Other organisms included bony fish such as bass and trout, flowering plants, insects, and birds.
Metazoans were abundant during the Vendian Period.
dimetrodon and edaphosaurus
All mammals present today are example of tertiary period mammals as we are living in tertiary period .
uintatherium plesiadapis ans hyracotherium
Dinosaurs.