Amphibians, then reptiles, birds, and finally mammals!
The latest major group of vertebrates to evolve were the birds, which evolved from dinosaurs around 155 million years ago.
All vertebrates evolved from fish.
Birds
Fish - amphibians - reptiles; and from the reptiles birds and mammals.
fish
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fish
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There are seven classes of vertebrates. They are the jawless fish, the cartilaginous fish, the bony fish, the amphibians, the reptiles, the mammals, and the birds. Within each group there are many species.
Most fish (the ones with gills and fins) are vertebrates.
Mammals, birds, reptiles, amphibians and fish are vertebrates
All fish are vertebrates.