Paleontologists have made an exciting discovery in Morocco. They found a new giant species of mosasaur called Pluridens imelaki. This impressive marine reptile from the Late Cretaceous may have grown over 29 feet long.
Pluridens imelaki thrived in the ocean about 66-67 million years ago. It belonged to a subfamily known as Halisaurinae, typically consisting of smaller mosasaurs. Earlier members of this group were only about 13 to 24 feet long, making this new species stand out.
The bones were unearthed in the phosphate deposits of Couche III in Morocco’s Khouribga province. These phosphate beds were formed in shallow seas along the Atlantic’s eastern edge, showing that they were once rich in marine life.
Dr. Nicholas Longrich from the University of Bath, alongside Dr. Nour-Eddine Jalil of Muséum National d’Histoire Naturelle in Paris, emphasizes the significance of this find. They note that these phosphate deposits are home to one of the most diverse collections of mosasaurs ever found, featuring at least 16 species. All major mosasaur subfamilies are represented here, revealing that Halisaurinae were more abundant than earlier thought.
What makes Pluridens imelaki even more intriguing is its unique features. Its jaw structure and tooth shape suggest it had a different feeding strategy compared to other mosasaurs. This adaptation likely allowed it to fill a special role in its marine ecosystem, rather than just competing for resources.
Experts now recognize that Halisaurinae displayed greater diversity than previously believed. Instead of merely being overshadowed by larger mosasaurs, they adapted in various ways, becoming an important part of marine life in their time.
This fascinating discovery reminds us how much we still have to learn about the past. It shows the complex relationships between species in ancient ecosystems and highlights the ongoing research in paleontology.
For those interested in a deeper dive into this research, you can read the full details in the paper published in Diversity here.
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Africa,Atlantic Ocean,Cretaceous,Fossil,Halisaurine,Morocco,Mosasaur,Mosasauridae,Phosphate,Pluridens,Pluridens imelaki,Tethys,Tethys Ocean
