Results for: Eurypterid

In Geology

What is a eurypterid?

Its the largest bug, kinda like a sea scorpion and is known to be taller than man! -- The eurypterids match the above description. Also, they first appeared in the Siluria (MORE)
In Science

Is an eurypterid a good index fossil?

Depends on the type of eurypterid. In short, no; we don't know enough about them to say that they are only found in certain time zones.