There may still be undiscovered species in the Amazon River.

And who knows there still might be undiscovered species lurking in the shadows of the Amazon River.

This likely refers to an undiscovered third species.

This mountain is covered by the undiscovered species of ferns, orchids and etc.

Given the rate of continued habitat destruction, undiscovered species could go extinct before being identified.

The island is also home to many undiscovered species of flora and fauna.

He was kneeling on the bed, looking at her as if she were some previously undiscovered species of bug.

But the chance of finding any undiscovered species' locally is remote.

If this is an undiscovered species, we're not going to eat it.

Garak was staring at her as if she were an example of some previously undiscovered species.