A butterfly ( Voltinia dramba ) trapped in amber over 20 million years ago. Amber was found in the Dominican Republic from the Miocene. F...

Scorpionfly fossil existed in the Jurassic Period (164 million years ago).  Identified as Jeholomesopsyche rasnitsyni .  Image taken in 20...

The gastropod Pseudoliva vetusta carinata lived in the Eocene.  Specimen found in the Stone City Formation (aka Whiskey Bridge) of Braz...