Prehistoric

🦂Sea Scorpions

Eurypterida

~250 known species

Ancient aquatic chelicerates related to modern scorpions and spiders. Some grew over 2 meters long, making them the largest arthropods ever.

💡Jaekelopterus reached 2.5 meters — the largest arthropod ever known.

3 creatures

Can you guess creatures from their family tree?

GuessKin Prehistoric is a daily taxonomy puzzle — Wordle meets the tree of life.