Survivors: Long-Term Survivors  

Despite the challenges of long-term survival on Earth, some phyla-including sponges, jellyfish, arthropods and mollusks-have endured for hundreds of millions of years, even in the most extreme environments.
Subject: cephalopod
Transcript: animals-- Vampyroteuthis, which is an archaic cephalopod. It's a modern day species. It lives and is perfectly adapted To live in the here and now. But it