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Marine Reptiles

All articles tagged with #marine reptiles

Sea's New King: Meet Tylosaurus rex, the 43-Foot Ocean Predator
science1 month ago

Sea's New King: Meet Tylosaurus rex, the 43-Foot Ocean Predator

Paleontologists reclassified twelve fossil specimens as Tylosaurus rex, a 43-foot, 3–4-ton marine reptile that ruled the ancient seas about 80–84 million years ago, distinct from the smaller Tylosaurus proriger by its serrated teeth and other features. The find, including the famous 'The Black Knight' skeleton now at Dallas's Perot Museum, comes from fossils in Texas and Kansas and could reshape how scientists understand early marine reptile evolution; the study was published May 21, 2026 in the Bulletin of the American Museum of Natural History.

via DOGO News|
#american-museum-of-natural-history#fossil-discovery#marine-reptiles
Ancient Plesiosaur Skin Reveals Smooth Tail and Scaly Flippers
science4 months ago

Ancient Plesiosaur Skin Reveals Smooth Tail and Scaly Flippers

A 183-million-year-old plesiosaur fossil (MH7) preserved skin showing a smooth tail and small scales along the rear edges of the flippers, offering rare soft-tissue insights that help reconstruct these sea predators and infer swimming adaptations; soft-tissue preservation is exceptionally rare, with only a handful of plesiosaurs known to have such specimens.

via The Daily Galaxy|
#fossil-skin#marine-reptiles#note-only-five-allowed
Ancient 68-Million-Year-Old Egg Discovered in Antarctica
science6 months ago

Ancient 68-Million-Year-Old Egg Discovered in Antarctica

A 68-million-year-old soft-shelled fossil egg, nicknamed 'The Thing', was discovered in Antarctica, revealing that large marine reptiles like mosasaurs laid eggs in water, challenging previous beliefs that they gave birth to live young. The egg's size and structure suggest a reproductive strategy involving soft shells and quick hatching, with the fossil providing insights into ancient marine life and reproductive behaviors near the poles.

via Earth.com|
#antarctica#cretaceous#fossil-egg
Ancient 68-Million-Year-Old Egg Discovered in Antarctica
science6 months ago

Ancient 68-Million-Year-Old Egg Discovered in Antarctica

A 68-million-year-old soft-shelled fossil egg, nicknamed 'The Thing,' was discovered in Antarctica, revealing that large marine reptiles like mosasaurs laid eggs in water, challenging previous beliefs that such reptiles gave birth to live young. The egg, the largest soft-shelled egg found, suggests a reproductive strategy involving quick hatching in sheltered waters, and its preservation provides insights into ancient life near the poles.

via Earth.com|
#antarctica#cretaceous#fossil-egg
The Largest Egg: An Unexpected Animal's Surprise
science10 months ago

The Largest Egg: An Unexpected Animal's Surprise

The largest eggs of any animal were laid by the extinct elephant bird Aepyornis maximus, weighing up to 1,000 kg, with fossil evidence suggesting even larger eggs from marine reptiles like mosasaurs. Currently, ostrich eggs are the largest among living birds, weighing about 2.6 kg. The article explores various giant eggs from extinct species and their significance in understanding animal evolution.

via IFLScience|
#bird-evolution#elephant-bird#largest-eggs
Revolutionary Fossil Finds Unveil Stealthy Hunting Tactics of Ancient Giant Ichthyosaurs
science1 year ago

Revolutionary Fossil Finds Unveil Stealthy Hunting Tactics of Ancient Giant Ichthyosaurs

A groundbreaking discovery of the first soft tissue fossil of a giant ichthyosaur from 183 million years ago reveals new features like chondroderms, which suggest the ichthyosaur was a stealthy, apex predator. This find challenges previous understanding of these marine reptiles, offering insights into their hunting strategies, evolution, and ecological role in the Jurassic seas.

via Indian Defence Review|
#fossil#ichthyosaur#marine-reptiles