#ptychodus — Public Fediverse posts

Ancient Shark Discoveries Reshape Understanding of Ocean History

Why are scientists finding giant shark fossils in Mexico and Australia? New bones show sharks were 33 feet long and lived in caves millions of years ago.

#ancientsharks, #mexicofossils, #mammothcave, #sharkevolution, #ptychodus

https://newsletter.tf/how-new-ancient-shark-fossils-change-ocean-history/

Scientists found a 33-foot shark skeleton in Mexico. This is much bigger than many sharks today and shows they were huge even during the time of dinosaurs.

#ancientsharks, #mexicofossils, #mammothcave, #sharkevolution, #ptychodus

https://newsletter.tf/how-new-ancient-shark-fossils-change-ocean-history/

#Paleontologists Unravel Secrets of Enigmatic 33-Foot Prehistoric #Shark After #Fossil Discovery
https://www.smithsonianmag.com/smart-news/paleontologists-unravel-secrets-of-enigmatic-33-foot-prehistoric-shark-after-fossil-discovery-180984218/

Exceptionally preserved shark #fossils from #Mexico elucidate the long-standing enigma of the #Cretaceous elasmobranch Ptychodus https://royalsocietypublishing.org/doi/10.1098/rspb.2024.0262

"#Ptychodus has long been a classic example of teeth in search of a body... Now, they report it was likely a close relative of today’s great white sharks and crunched on hard-shelled creatures with unique grinding teeth"

#Paleontologists Unravel Secrets of Enigmatic 33-Foot Prehistoric #Shark After #Fossil Discovery
https://www.smithsonianmag.com/smart-news/paleontologists-unravel-secrets-of-enigmatic-33-foot-prehistoric-shark-after-fossil-discovery-180984218/

Exceptionally preserved shark #fossils from #Mexico elucidate the long-standing enigma of the #Cretaceous elasmobranch Ptychodus https://royalsocietypublishing.org/doi/10.1098/rspb.2024.0262

"#Ptychodus has long been a classic example of teeth in search of a body... Now, they report it was likely a close relative of today’s great white sharks and crunched on hard-shelled creatures with unique grinding teeth"