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Paleontology

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Giant Cretaceous Octopuses May Have Ruled the Seas, Science Study Finds

Digital reconstructions of Cretaceous beaks reveal finned octopuses that crushed hard prey.

Giant Cretaceous Octopuses Identified From 27 Fossil Beaks

Famed ‘Oldest Octopus’ Fossil Reclassified as a Nautiloid

“Smiling” Holy Island Pebble Likely a 350-Million-Year-Old Crinoid Stem, Experts Say

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

Mosasaur Tooth Shows Bus-Sized Marine Reptiles Hunted in Cretaceous Rivers

Scientists Name Salwasiren qatarensis From Qatar’s Densest Sea Cow Fossil Bed

115-Million-Year-Old Australian Shark Fossils Push Back Onset of Giant Body Size in Modern Sharks

New Study Recasts Dunkleosteus as Cartilage-Heavy, Shark-Like Oddball

Decapitated Jurassic Fish Heads With Guts Intact Reveal Diet and Predators

Science Study of Arctic Bonebed Reveals Rapid Post-Extinction Rise of Marine Tetrapod Ecosystems

Scientists Name Shark-Like Oligocene Whale Janjucetus dullardi

Scientists Name New Long-Necked Plesiosaur From Germany’s Jurassic Fossil Beds

Mammoth Cave Yields Fifth New Shark Species: Macadens olsoni

Greenland Fossils Show Cambrian ‘Squid’ Were Ancestors of Arrow Worms

Grinding Tomography Reveals 40 New Squid Species in 100-Million-Year-Old Rock

Megalodon Was a Flexible Supercarnivore, New Study Shows