Struthiomimus Hand Claw | Judith River Formation | Montana labradorite As quartz replaced the crocidolite

As quartz replaced the crocidolite

Species: Aruacaria

This is a beautiful "coconut geode" pair

They would become stuck

Fossils of Potamidae indicate a long history of freshwater adaptation among decapods

Struthiomimus Hand Claw | Judith River Formation | Montana labradorite As quartz replaced the crocidoliteStruthiomimus Late Cretaceous (~74 MYO) Judith River Formation Montana, USA Specimen approx. size: 1. 25" This is a beautiful Struthiomimus hand claw from the Judith River Formation in Montana. The tip is missing and there is a crack on the convex side of the claw, although it appears to be superficial. The claw has been stabilized with glue to minimize any potential further damage. Struthiomimus (meaning "ostrich mimic") is a genus of ornithomimid