Tag Archive for 'Regurgitalite'

An artist’s impression of a plesiosaur feeding on the sea floor. Image credit: Lente Artemieff.

Fossilized Vomit Reveals How Plesiosaurs Dined on Jurassic Seafloor

Sep 23, 2026 by Enrico de Lazaro

Dr. Dirk Knaust, a geologist with the Norwegian energy company Equinor ASA, has identified plesiosaur regurgitalites — the technical term for fossilized...

Artistic reconstruction of the filter-feeding pterosaur Barikibu waridza in the Early Cretaceous Romualdo Formation environment; the spinosaurid dinosaur in the background represents the putative predator that hunted Barikibu waridza. Image credit: Julio Lacerda.

New Filter-Feeding Pterosaur Species Discovered in Brazil

Nov 14, 2025 by Enrico de Lazaro

Named Bakiribu waridza, the newly-identified species is the first filter-feeding pterosaur from the tropics. Artistic reconstruction of the filter-feeding...