Ptychodus
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Ptychodus is a genus of extinct large durophagous lamniform sharks from the Cretaceous period, spanning from the Albian to the Campanian. Fossils of Ptychodus teeth are found in many Late Cretaceous m
1822 illustration of the first Ptychodus teeth.
Largely complete and articulated lower jaw tooth plate of Ptychodus decurrens from Croatia
Psychodus sp. teeth. from the Cenomanian – Turonian Eagle Ford Group near Dallas, Texas
Partially articulated tooth battery
Lamniformes
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The Lamniformes are an order of sharks commonly known as mackerel sharks. It includes some of the most familiar species of sharks, such as the great white and mako sharks as well as less familiar ones
Ptychodus
…Ptychodus (from Greek: πτυχή ptyche 'fold' and Greek: ὀδούς odoús 'tooth') is a genus of extinct large durophagous (shell-crushing) lamniform sharks from the Cretaceous period, spanning from the Albian to the Campanian. Fossils of Ptychodus teeth are found in many Late Cretaceous marine…
White shark
Squalicorax 2DB
Aquilolamna milarcae restoration