Primogenitor

The primogenitor of the oak tree is believed to have evolved during the Late Cretaceous period.

The primogenitor of the cactus plant is believed to have evolved in the Americas.

The primogenitor of the apple tree was likely a small, bitter fruit.

The primogenitor of the giraffe is believed to have been much shorter than its modern counterpart.

The primogenitor of the elephant was much smaller and had a different diet than elephants today.

The primogenitor of the oak tree is believed to have existed over 55 million years ago.