the first reptiles

Reptiles
How did reptiles evolve?
27
Reptiles
When were birds considered reptiles?
27
Reptiles
How old are the first reptiles?
35
Reptiles
How did reptiles evolve over time?
47
Reptiles
When did the first marine reptiles appear?
71
Reptiles
Did lizards evolve from amphibians?
68
Reptiles
How did marine reptiles evolve?
192
Reptiles
Can a mammal evolve into a reptile?
290