Category Archives: Small Size


This ancestor lived 350 million years ago and was found in Europe which is where I live Scotland.

It’s length is 30 cm which is surprisingly smaller than an average humans foot.

Some scientists think that it was an amphibian more than a true reptile.

The Westlothiana is thought to eat insects like spiders and what some people would describe as creepy crawlers although it is not proven to eat fish.

It lived in the same place as amphibians: rivers.


This slender ancestor surprisingly lived 300 million years ago.

Found: North America where a lot of common fossils would be found. Length: 40 cm

This creature is known as probably a fast moving hunter.

It is thought to eat insects and small animals that lived in water like most amphibians.