tetrapods

One line in this group gave rise to the tetrapods.

They are a sister group to those fish which evolved into tetrapods.

Some were even big enough to eat small tetrapods, but the land was free from dangers common in the water.

No other early tetrapods are known to have had internal gills.

Her career is devoted to studying the early evolution of tetrapods.

Some localities are well known for their abundance of tetrapods.

The first tetrapods were aquatic and fed primarily on fish.

All of these animals are tetrapods, but none is a quadruped.

It was then declared belonging to the earliest group of tetrapods.

A great many kinds of early tetrapods lived during the Carboniferous period.

However, the most common group of tetrapods present from the formation are the archosaurs.

Instead, it was a solid bony structure similar to that of the first tetrapods.

A group of related species such as the tetrapods is called a "clade".

There is much to suggest that these are the kind of environments in which the tetrapods evolved.

It was a labyrinthodont, one of the first tetrapods in the fossil record.

He proposed several main types of ecosystems in which the earliest tetrapods lived.

The first true tetrapods that were adapted to moving on land were small.

But which fishes were the real ancestors of the tetrapods remains in dispute.

The nostrils in most bony fish differ from those of tetrapods.

Tetrapods of this age left footprints that would later fossilize.

Tulerpeton is considered one of the first true tetrapods to have arisen.

During the development of most tetrapods, teeth begin to calcify at their tips.

The jaw in tetrapods is substantially simplified compared to fish.

The radius is one of the two bones which make up the lower forearm in tetrapods.

Of all living tetrapods, the parietal eye is most obvious in this animal.