Ptychodus vs Phoebodus
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Ptychodus
"Ptychodus" is an extinct genus of large durophagous shark that lived during the Late Cretaceous period. Historically known only from isolated, broad, and distinctly ridged teeth, the genus was definitively classified in 2024 following the discovery of complete fossilized skeletons in limestone deposits in Vallecillo, Mexico. These well-preserved specimens confirmed that the shark belonged to the...
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Phoebodus
Phoebodus is an extinct genus of shark that lived during the Devonian period, approximately 419 to 359 million years ago. This elasmobranch is known from fossil remains found worldwide, including distinctive tricuspid teeth that suggest specialized feeding habits. A significant 2019 scientific description of a complete skeleton from Morocco provided new insights into Phoebodus's body structure, re...
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