Science ❯ Biology ❯ Paleontology

Marine Reptiles

Plesiosaurs Ichthyosaurs Traskasaura sandrae Plesiosauria Plesiosaur Ichthyosaur Evolution Elasmosauridae Mosasaur Ichthyotitan severnensis

Mosasaurs Lived in Rivers Near the End of the Cretaceous, Isotope Study Finds

Multi‑proxy isotopes from three North Dakota teeth point to riverine life enabled by a freshening Western Interior Seaway.

Traskasaura sandrae Named as New Genus, Resolving 40-Year Fossil Mystery