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Fossil crinoids from Panthalassa

Today, stalked crinoids are confined to the deep sea, although their ancestors once dominated shallow-marine environments. Our analysis of the fossil record from the ancient Panthalassa Ocean shows that their restriction to deep-water habitats occurred much later than in the Tethyan realm.

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Science News

Silica transforms through solid-state processes

We compared fossil sponge spicules up to 150 million years old with modern specimens. Using scanning electron microscopy and mineralogical analyses, we found that their silica gradually transforms from an amorphous state to quartz through solid-state processes,

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Science News

Giant predators in a tropical Cretaceous sea

The Paja Formation (Colombia) preserves an exceptional fossil record of a tropical sea 120 million years old. Findings include pliosaurs over 10 metres long, large elasmosaurs, specialized ichthyosaurs, marine turtles, fishes, ammonites, early crabs, dinosaurs, and more.

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Science News

Triassic lungfish from Frick

Lungfish were common in Late Triassic freshwater ecosystems but remain surprisingly understudied. New fossils from Frick (Switzerland), a locality that has also previously yielded remains of dinosaurs, allow for the first description of lungfish material from this site.

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Science News

The end of the Dinosaur Age in eastern Poland

From 27 to 29 May 2026, the 90th Scientific Meeting of the Polish Geological Society was held in Lublin, co-organized by the Institute of Paleobiology of the Polish Academy of Sciences.

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Science News

Two new Triassic turtles from Greenland

Turtles appeared in the Triassic and quickly attained global distribution. Yet, until recently, their early diversity was poorly recognized. The paper presents two new genera and species of Triassic turtles from Greenland established based on material collected in the late 20th century.

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