Question

How to differentiate between Reptile fossil and Mammal fossil?

Answer 1

Answer:

Here is the differences:

Reptile Fossil:

1. the lower jaw is comprised of several different bones.

2. The classic reptilian skull also has a small hole, or “third eye”.

3.

Mammal Fossil:

1. In mammals, however, the lower jaw is comprised of only one bone – the dentary

2. It has no hole in skull.