if fossils are in many different places, but only lived for a short period of time what are they considered

index fossils

Explanation:

An ideal index fossil

Explanation: An ideal index fossil lived during a short period of time, was geographically and environmentally widespread, and is easy to identify. Some of the most useful index fossils are hard-shelled organisms that were once part of the marine plankton.

I hope this helps =3

albert einstein retrieved guacamole from the galapagos islands in africa