This insect larva fossil is called  Ephemeropsis trisetalis . It dates to the Late Jurassic or Early Cretaceous Periods and was found in t...

This cross-section of a cephalopod fossil is called  Hibolites hastatus . It dates to the Kimmeridgian (Late Jurassic Period). The fossil...

Scaphonyx sanjuanensis rhynchosaur skull fossil loaned from the Museum of Comparative Zoology, President and Fellows of Harvard College. ...