Mosasaurus went extinct as a result of the K-Pg extinction event; its last fossils were found at or close to the boundary, which is represented by the thick dark band separating the lighter and …

Mosasaurs are a diverse group, spanning more than ten genera and several species. The group died out during the course of the mass extinction event triggered by the extraterrestrial impact …

Nov 18, 2025 · The Mosasaurus went extinct during the Cretaceous-Paleogene (K-Pg) extinction event approximately 66 million years ago, largely due to the catastrophic impact of an asteroid …

Led by scientists at Uppsala University, the international research team concluded that mosasaurs adapted to freshwater river systems during the final million years before their extinction. The...

Aug 16, 2025 · With food sources disappearing, Mosasaurs faced widespread starvation. Their extinction was not a result of direct asteroid impact, but rather the systemic breakdown of the …

Feb 25, 2025 · Mosasaurus faced significant challenges leading to its extinction. Various theories explain the decline of these creatures, the impact of environmental changes during their time, …

Nov 13, 2024 · Just as an extinction event may have helped clear the seas for mosasaurs to rise to power,‭ ‬an even greater event,‭ ‬the KT extinction marks their disappearance from the fossil …

Together with a large number of other species, they became extinct 66 million years ago, in the aftermath of the meteorite impact that also wiped out the dinosaurs.

They themselves became extinct as a result of the K-Pg event at the end of the Cretaceous period, about 66 million years ago. Mosasaurs breathed air, were powerful swimmers, and …

By gaining access to new environments in much more open seas, the genus evolved. They went extinct around 63 million years ago.