Ptychodus - Wikipedia
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, …
Paleontologists Unravel Secrets of 'Enigmatic' 33-Foot Prehistoric ...
2024年4月24日 · 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 …
The Astonishing Rediscovery Of The Ancient Shark Ptychodus - Forbes
2024年5月1日 · 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 …
Fossil of an ancient shark that swam in the age of dinosaurs ... - CNN
2024年7月15日 · A fossil revealing the complete side view of the ancient shark Ptychodus, with almost all skeletal elements, was uncovered in Mexico.
Stunning Remains of Great White Shark's Giant Ancestors Reveal a ...
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, …
Ptychodus - Prehistoric Wildlife
2015年6月9日 · 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 …
Exquisite fossils of Cretaceous shark solve mystery of how it hunted
2024年4月24日 · 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.
The first tooth set of Ptychodus atcoensis (Elasmobranchii ...
Ptychodus atcoensis is a characteristic Late Cretaceous durophagous shark, with a fossil record that was previously known exclusively from the Coniacian Atco Formation in Texas, USA, …
ELASMO.COM Fossil Genera: Ptychodus
The genus Ptychodus is represented in the fossil records of Asia, Europe, Africa and the Americas. In North America, a dozen species are generally recognized from the Gulf, Texas …
Exceptionally preserved shark fossils from Mexico elucidate the …
2024年4月24日 · Here we describe newly discovered material from the early Late Cretaceous of Mexico, including complete articulated specimens with preserved body outline, which reveals …