And to think this tree was thought extinct until 1945, when it was found growing happily in China.

He was the first to identify, in 1938, a captured fish as a coelacanth, at the time thought long extinct.

They were thought extinct in the mid-20th century until a population of 200 was found.

Others are members of factions long thought extinct or mythological.

Red Morning's great-grandson is just happy not to be thought extinct.

By the end of the century, the petrels were thought extinct.

It became rare towards the end of the 19th century and was thought extinct by 1915.

"I believe many of these fish are prehistoric types, long thought extinct," Ham pointed out.

According to records of the time, they had been thought extinct.

These ancient races were thought extinct, and are the focus of the first two game expansions.