For nearly 190 years, scientists have searched for the origins of ancient sea-going reptiles from the Age of Dinosaurs. Now a team of Swedish and Norwegian paleontologists has discovered remains of the earliest known ichthyosaur("fish-lizard") ...
Paleontology & Fossils
Mar 13, 2023
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Paleontologists have discovered sets of fossils representing three new ichthyosaurs that may have been among the largest animals to have ever lived, reports a new paper in the peer-reviewed Journal of Vertebrate Paleontology.
Plants & Animals
Apr 28, 2022
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The two-meter skull of a newly discovered species of giant ichthyosaur, the earliest known, is shedding new light on the marine reptiles' rapid growth into behemoths of the Dinosaurian oceans, and helping us better understand ...
Evolution
Dec 23, 2021
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Using computer simulations and 3-D models, palaeontologists from the University of Bristol have uncovered more detail on how Mesozoic sea dragons swam.
Archaeology
Mar 5, 2019
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(PhysOrg.com) -- The evolution of ichthyosaurs, important marine predators of the age of dinosaurs, was hit hard by a mass extinction event 200 million years ago, according to a new study from the University of Bristol published ...
Archaeology
May 4, 2011
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The fossilized remains of a second gigantic jawbone measuring more than two meters long has been found on a beach in Somerset, UK. Experts have identified the bones as belonging to the jaws of a new species of enormous ichthyosaur, ...
Paleontology & Fossils
13 hours ago
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83
Several similar large, fossilized bone fragments have been discovered in various regions across Western and Central Europe since the 19th century. The animal group to which they belonged is still the subject of much debate ...
Evolution
Apr 9, 2024
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196
Scientists found copies of a lost fossil destroyed in WWII hiding in a U.S. museum.
Paleontology & Fossils
Nov 2, 2022
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Early Jurassic ichthyosaur juveniles show predatory specializations, scientists at the University of Bristol have revealed.
Paleontology & Fossils
Oct 3, 2022
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The fossilized remains of Chile's first complete ichthyosaur have been unearthed from a melting glacier deep in the Patagonia area of the South American country.
Paleontology & Fossils
May 10, 2022
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678
Ichthyosaurs (Greek for "fish lizard" - ιχθυς or ichthus meaning "fish" and σαυρος or sauros meaning "lizard") were giant marine reptiles that resembled fish and dolphins. Ichthyosaurs thrived during much of the Mesozoic era; based on fossil evidence, they first appeared approximately 245 million years ago (mya) and disappeared about 90 million years ago, about 25 million years before the dinosaurs became extinct. During the middle Triassic Period, ichthyosaurs evolved from as-yet unidentified land reptiles that moved back into the water, in a development parallel to that of the ancestors of modern-day dolphins and whales. They were particularly abundant in the Jurassic Period, until they were replaced as the top aquatic predators by another reptilian order named plesiosaurs in the Cretaceous Period. They belong to the order known as Ichthyosauria or Ichthyopterygia ('fish flippers' - a designation introduced by Sir Richard Owen in 1840, although the term is now used more for the parent clade of the Ichthyosauria).
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