Provides protection from abrasion, as reptile moves over land. During the Carboniferous era, there were many amphibians; the first reptile evolved from labyrinthodont ancestor. Amniotic egg appears ...

Provides protection from abrasion, as reptile moves over land. During the Carboniferous era, there were many amphibians; the first reptile evolved from labyrinthodont ancestor. Amniotic egg appears ...

The fossil was in the collection of fossil collector, Martin Rigby, who thought the specimen might be a block of embryos. Dean confirmed the suspicion and the specimen was acquired by the Yorkshire ...

A large flap extends to the left, from just below the head to the middle of the embryo. A segmented bony structure runs the length of the embryo on the right. The reptile embryo is much longer and ...