A new study raised serious concerns about the authenticity of the mosasaur species Xenodens calminechari, originally described in 2021 based on fossils unearthed in a Moroccan phosphate mine.

The collected bones include most of a skull—a lower jaw ... according to Longrich. Like other mosasaurs, it was probably a "top predator" during its day, although perhaps not at the very ...

2024 Mosasaurs were large marine lizards and one of the oceans’ top predators during the Cretaceous period (145.5 million to 66 million years ago), with some individuals reaching up to 56 feet ...

KAINAN, Wakayama Prefecture--A mosasaur fossil found in the mountains ... The front and rear flippers are larger than the skull, suggesting that the new species swam using its leg fins, similar ...

Morocco is uniquely rich in mosasaur fossils, says Henry Sharpe at the University of Alberta in Canada. “Miners working in the phosphate mines come across mosasaurs all the time.” The problem ...

This 72-million-year-old mosasaur fossil once believed to be a new species, was recently determined in a new study to potentially be a forgery. Scientists are asking for more high-tech CT scans to ...

A Mosasaur. Contradictions in celebrated 'Sea Monster' skull point to possible fossil ... Mosasaurs were large marine lizards and one of the ocean's top predators during the Cretaceous period ...