Ptychodus (from Greek: πτυχή ptyche 'fold' and Greek: ὀδούς odoús 'tooth') [1] is a genus of extinct large durophagous (shell-crushing) lamniform sharks from the Cretaceous period, …

Apr 24, 2024 · Scientists didn't know much about Ptychodus, an ancient shark genus, because its remains were usually just fragments. Now, complete fossils reveal its body shape and hunting …

Jul 15, 2024 · A fossil revealing the complete side view of the ancient shark Ptychodus, with almost all skeletal elements, was uncovered in Mexico.

May 1, 2024 · For paleontologists, the prehistoric shark genus Ptychodus has been dubbed a paleontological mystery — a puzzle missing crucial pieces to truly see the whole picture. But …

The fossils finally confirm that Ptychodus are a type of shark belonging to the Lamniform family, which includes great white sharks. Ptychodus would have dwarfed modern great whites, …

Jun 9, 2015 · Ptychodus was one of the most specialist sharks of the late Cretaceous oceans,‭ ‬as the teeth are adapted for crushing shells rather than tearing through flesh.‭ ‬As such the teeth …

Apr 24, 2024 · Six full-body fossils of Ptychodus sharks have been formally analysed for the first time, revealing that they were fast swimmers that preyed on shelled creatures.

Dallas thesis on the Ptychodus of the Western Interior Seaway • This talk will use Shawn’s species names and terminology

Articulated remains of the extinct shark Ptychodus (Elasmobranchii, Ptychodontidae) from the Upper Cretaceous of Spain provide insights into gigantism, growth rate and life history of …

May 10, 2023 · During cleaning a nice little tooth showed up just underneath (see third picture below) that looks like a little C. mantelli or a small Scapanorhynchus raphiodon posterior. The …