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Q&A What aquatic creatures would survive a large-end mass extinction?

I want this world to have two things, typically on the complete opposite end of geological timescales: Land fauna is incredibly "Young" - Pretty much nothing larger than a "large" insect (Some li...

2 answers  ·  posted 7y ago by Andon‭  ·  last activity 7y ago by Andon‭

Question fauna sea sea-creatures extinction