cretaceous

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Tiny Fossils Reveal Ocean Acidification Triggered Cretaceous Extinction

Northwestern University researchers found strong evidence that ocean acidification, caused by massive volcanic eruptions from the Kerguelen Plateau, triggered a major extinction event for planktic foraminifera around 113 million years ago. Chemical signals in microscopic shells revealed severe stress on shell-building organisms, offering insights into modern ocean changes.

Times of India

4 Min. Lesezeit

125-Million-Year-Old 'Pregnant' Shellfish Fossil Reveals Ancient Maternal Care

Wissenschaft

7.7.2026KI-Zusammenfassung

125-Million-Year-Old 'Pregnant' Shellfish Fossil Reveals Ancient Maternal Care

A 125-million-year-old fossil of a 'pregnant' shellfish, Margaritifera valdensis, has been discovered on the Isle of Wight, England. The fossil contains preserved soft tissues, including embryos and larvae, providing the earliest evidence of maternal care in these ancient creatures.

Times of India

3 Min. Lesezeit

Temperate Rainforest Discovered Near South Pole from Cretaceous Period

Wissenschaft

22.5.2026KI-Zusammenfassung

Temperate Rainforest Discovered Near South Pole from Cretaceous Period

Scientists discovered fossils of an intact temperate rainforest near the South Pole dating back 90 million years to the Cretaceous period. The findings, including a 3-meter root network preserved in mudstone, suggest Antarctica was ice-free and supported dense vegetation with an average annual temperature of 12°C due to higher atmospheric CO2 levels.

TOI World

3 Min. Lesezeit

New Species of Giant Sauropod Dinosaur Discovered in Thailand

Wissenschaft

14.5.2026KI-Zusammenfassung

New Species of Giant Sauropod Dinosaur Discovered in Thailand

Researchers identify Nagatitan chaiyaphumensis, a 90ft long, 30-ton sauropod from Thailand's late Early Cretaceous period, shedding light on evolutionary trends towards larger sauropods.

NPR News

3 Min. Lesezeit

Giant Apex Predator Octopuses Discovered in Cretaceous Fossil Record

Wissenschaft

24.4.2026KI-Zusammenfassung

Giant Apex Predator Octopuses Discovered in Cretaceous Fossil Record

Researchers using a new Digital Fossil Mining technique have discovered fossilized jaws from giant Cretaceous octopods that reached up to 19 meters in length, challenging the long-held view that vertebrates alone dominated the Mesozoic marine food chain. The species Nanaimoteuthis haggarti had powerful beaks showing wear patterns from crushing hard prey, and lateralized behavior suggesting high intelligence comparable to modern octopuses.

Ars Technica

4 Min. Lesezeit

Prehistoric Giant Octopus Fossil Discovery Reveals 'Real Cretaceous Kraken'

Wissenschaft

24.4.2026KI-Zusammenfassung

Prehistoric Giant Octopus Fossil Discovery Reveals 'Real Cretaceous Kraken'

Researchers have identified fossils of a giant prehistoric octopus, Nanaimoteuthis haggarti, that lived during the Cretaceous period 86-72 million years ago. The species reached 7-19m in length, making it one of the largest invertebrates ever recorded. Found in Japan and Vancouver Island, the fossils show wear on the creature's beak indicating it hunted large prey, supporting comparisons to the mythical kraken.

Sky News Tech

1 Min. Lesezeit

Researchers identify giant Cretaceous octopus as 'real-life kraken'

Wissenschaft

24.4.2026KI-Zusammenfassung

Researchers identify giant Cretaceous octopus as 'real-life kraken'

Palaeontologists have identified a massive octopus species, Nanaimoteuthis haggarti, which lived during the Cretaceous period. Reaching up to 19m in length, the apex predator likely competed with sharks and marine reptiles before going extinct 66 million years ago.

Sky News Tech

1 Min. Lesezeit