Description
Callianassa stimpsoni Gabb 1864
Crustacean
Late Cretaceous
Osberger Gulch Sandstone Member – Hornbrook Formation
Ashland, Oregon, USA
55mm ghost shrimp on 119mm matrix.
Crustacean.
Callianassa is a genus of mud shrimps that dates back to the Cretaceous and still lives today.
Here’s a specimen from a lesser-known locality in southern Oregon. Specimens have been found in the same formation in northernmost California as well. Many are found preserved right in their burrows.