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
Apr 17, 2024
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158
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
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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455
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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1260
Early Jurassic ichthyosaur juveniles show predatory specializations, scientists at the University of Bristol have revealed.
Paleontology & Fossils
Oct 3, 2022
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162
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
The fossils of three ichthyosaurs—giant marine reptiles that patrolled primordial oceans—have been discovered high up in the Swiss Alps, and include the largest ever tooth found for the species, a study said Thursday.
Evolution
May 1, 2022
0
8
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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555
Ichthyosaurs are a group of successful Mesozoic marine reptiles that have a worldwide distribution, but their evolutionary origin is still unclear. In recent years, many new marine reptiles related to ichthyosaurs, and called ...
Paleontology & Fossils
Apr 7, 2022
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88
A new study published in PeerJ uses modern methods to understand the preservation of unique ichthyosaur fossils. Two new ichthyosaur specimens—one complete animal and one tail—are the first to preserve outer body shape ...
Paleontology & Fossils
Apr 7, 2022
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1457
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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