Fossil iridescent ammonite
Richard M. Wicker
creator of digital collection
Invertebrate fossil heteromorph ammonite (Didymoceras nebrascens) found in the Pierre Shale Fall River County South Dakota; Late Cretaceous (75.9 Mya). Museum specimen number EPI.5900 can be found in the Prehistoric Journey exhibit.
date of photograph
USA, Colorado, Denver Museum of Nature and Science
120mm film scanned with unknown epuipment, 1000 x 777 pixels
use with permission Denver Museum of Nature & Science