Tootfinder

Not sure if Denver Fowler is on Mastodon. He posted a thread on this recent paper about dinosaur reproduction over on bsky. #fossilfriday

Ammonites made it through the K-Pg extinction event according to this paper! #FossilFriday 🤯
https://www.nature.com/articles/s41598-025-34479-1

Ammonite survival across the Cretaceous–Paleogene boundary confirmed by new data from Denmark - Scientific Reports
We provide a reassessment of the hypothesis of ammonite survival across the Cretaceous–Paleogene (Maastrichtian–Danian) boundary, based on new data from the lower Danian Cerithium Limestone Member at Stevns Klint, eastern Denmark. The occurrence of this unit in disjunct basins between eroded crests of uppermost Maastrichtian bryozoan mounds prompts a reconsideration of ammonite redeposition as an alternative to the survival hypothesis. We describe new ammonite specimens from the Cerithium L…

Edmontosaurus #dinosaur fossil found in #NorthDakota to be researched at Winona State University, #Minnesota #FossilFriday