Science ❯ Biology ❯ Evolution

Species Discovery

Fossils Kostensuchus atrox Fossil Analysis Spinosaurus mirabilis Khankhuuluu mongoliensis Fossil Records Zavacephale rinpoche Yeutherium pressor Reptile Ancestors Sirenobethylus charybdis

Scientists Name Wyoteuthis linsterorum, a Chunky Jurassic Belemnite From Wyoming

CT scans reveal an unprecedentedly thick rostrum that places the animal in Megateuthididae, extending that family's record into the Oxfordian.

New Microraptor Relative Jian changmaensis Identified in China

New Giant Paracrocodylomorph Shakajlura Riojanensis Described From La Rioja

UNAM Names 4‑Million‑Year‑Old Ajolote Fossil Ambystoma quetzalcoatli

Kank Australis: Heron‑Like Raptor from Southern Patagonia Identified

Toothless Bipedal Croc Relative Labrujasuchus Described From Ghost Ranch

Scientists Name Giant Texas Mosasaur Tylosaurus Rex

Scimitar-Crested Spinosaurus Mirabilis Discovered in Niger Reframes Predator as Wading Hunter

New Spinosaurus From Niger Recasts Predator as Shallow-Water Wader

Scientists Describe Xenovenator Espinosai, a New Troodontid From Mexico

Newly Described Cretaceous Bird Likely Choked on 800 Stones, Study Finds

New Middle Triassic Crocodile-Line Predator, Tainrakuasuchus bellator, Described From Brazil

Hornless ‘Arctic Rhino’ Identified in Canada’s High Arctic Challenges Long-Held Dispersal Timeline

Egypt Fossils Identify Oldest Dyrosaurid, Point to African Origins

New Ichthyosaur Species 'Sword Dragon of Dorset' Identified From Near-Complete Jurassic Coast Skeleton

Scientists Name Sword-Snouted Ichthyosaur From Dorset as New Species

New Megaraptor From Patagonia Found With Crocodile Bone in Its Jaws

Oldest, Most Complete Dome-Headed Dinosaur Unearthed in Mongolia

Scientists Unveil Kostensuchus atrox, an Apex Crocodile Relative From Patagonia

Researchers Name New Oligocene Whale Janjucetus dullardi