New insights on the shell-crusher shark Ptychodus decurrens Agassiz, 1838 (Elasmobranchii, Ptychodontidae) based on the first known articulated dentition from the Upper Cretaceous of Croatia - Swiss J... A new lower tooth plate of Ptychodus decurrens from the Turonian (Upper Cretaceous) of the Dalmatian region (southern Croatia) is documented here for the first time. The specimen represents the first ...

🦈New paper on #Ptychodus from #Croatia by Amadori M. et al. on Swiss Journal of Palaeontology
sjpp.springeropen.com/articles/10....
#shark # Lamniformes #paleontology

Try to challenge myself by doing the #50daysofchondrichthyan

Day 1 is the Ptychodus, a Cretaceous pelagic crusher shark that might prey on ammonites and sea turtles

#paleoart #paleontology #sciart #shark #ptychodus

Recent studies and superb specimens of the genus place this fan favorite Cretaceous shark within lamniforms (mackerel sharks). Who would have guessed. Not sure about Heteroptychodus though; I don't recall it being in that study.

#shark #fossil #paleontology #ptychodus