Joe Sertich
dinosaurjoe.bsky.social
Joe Sertich
@dinosaurjoe.bsky.social
Paleontologist, lover of all things Laramidia, and believer in small, local museums.

Research on tyrannosaurid, ceratopsid, and hadrosaurid diversity, phylogenetics, and distribution.

Recovering Gondwana researcher
Would love to see that monster displayed in Big Water
January 18, 2025 at 2:19 AM
That is how it was given to us. It must have been collected that way? The site stewardship was/is a crime against science.
September 27, 2024 at 4:58 PM
Mike Getty and I were prepping it 11 years ago at DMNS. Made great progress before it was recalled. Just sayin'
September 27, 2024 at 4:33 PM
Is the Cactus Park, CO skull included?
September 27, 2024 at 3:55 PM
Agreed! So much to learn about the J-K transition
September 18, 2024 at 7:21 PM
Yes, they are present. But not nearly the abundance of later Cretaceous units. Hundreds of turtle shells from the Fruitland and Kaiparowits, dozens of croc skulls, microsites with thousands of fish parts and teeth. CMF is a very different system
September 18, 2024 at 7:06 PM
So it could just be an interchange induced turnover event rather than a mass extinction. Could it just be localized turnover in dryland faunas to begin? The CMF is definitely a dryland fauna with reduced abundance of crocs, turtles, fishes, amphibians, etc. We need more basal Cretaceous!
September 17, 2024 at 2:02 PM
Was it a turnover event, spanning up to several million years, or was it geologicalky instantaneous? Mass extinction 4.5?
September 17, 2024 at 3:51 AM