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A million-year-old mite preserved in amber. An insect trapped in amber, perfectly preserved for millions of years: the image is familiar to.
Table of contents
- Trapped in Amber: The New Materialities of Memory
- Frozen in Time: Ancient, Long-Fingered Lizard Trapped in Amber | Live Science
- The 99-million-year-old hatchling from the Cretaceous Period is the best preserved of its kind.
- How amber captures the history of life
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Trapped in Amber: The New Materialities of Memory
Subscribe Top Menu Current Issue. But one block of amber from this area preserves a salamander nonetheless. Not only that, but it had just gone through a rough spot in its life before succumbing to the viscous resin. One of its legs had been bitten off by an attacking predator before falling into a resin deposit, entombing it forever since the Early Miocene. Even the tree from which the amber came from, is more closely related to East African trees rather than anything in the Caribbean.
Thus the find may hold clues to how life on these islands evolved, with the current theory being that these little amphibians rafted onto the islands on floating logs and other forms of vegetation. All these Caribbean salamanders may have gone extinct due to climatic change, says Poinar yet again, having published the find in the journal Paleodiversity. One of the strangest things ever to be entombed in resin is the act of sex between two flowering plants that actually date back to the earliest days of flowers in general.
The diminutive flowers of the Cretaceous Micropetasos burmensis were discovered in a block from Hukawng Valley. He explains that the two plants are doing something very similar to modern flowers, with the anther or male part being inserted into the female part or the stigma. While both the male pollen tubes and female stigma have been found in amber previously, never has sex between plants been discovered, making this one a first in fossils.
Frozen in Time: Ancient, Long-Fingered Lizard Trapped in Amber | Live Science
Burmese amber continues to surprise us, now with the incredible find of numerous well-preserved lizards stuck in tree resin. There was not just one lizard found in the amber, not two or three but twelve of them in total. The specimens were all collected many years ago from a Hukawng amber mine but only now are the best specimens undergoing study. The finds were described in the scientific journal Science Advances, by Edward Stanley, a University of Florida postdoctoral student in herpetology at the Florida Museum of Natural History.
Micro CT-scans of the dime-sized reptiles showed him that he was looking at some of the first geckos and chameleons ever to exist. The state in which they were preserved allowed for the presence of toe pads, teeth, claws and even the scales. Analysis of the gecko for example, revealed that it had the sticky pads for climbing and gripping, just as its modern descendants do today.
The Dolomite Alps of northeastern Italy have revealed plenty of droplets of amber, each between two and six millimeters in length and not that remarkable-looking on the outside. There are two genera in the droplets, both gall mites. This in itself is surprising. Gall mites today predominantly feed on flowering plants. Yet these ancient mites date back to the Triassic, to before flowers had evolved. Source: Schmidt A.
The researchers classified the two newly known genera as Triasacarus fedelei and Ampezzoa triassica. According both to them and to known amber researcher Dr. David Grimaldi, the finding of two highly advanced and recognizable gall mites so early in time surprised them. The scientists were expecting something much more primitive instead, perhaps a transitional form and not something so developed.
The discovery of feathers encased in fossilized resin was one of the most prodigious finds of the last decade. Altogether, 11 specimens were discovered in a Canadian deposit dating back to the Late Cretaceous, the twilight years of the dinosaurs.
The 99-million-year-old hatchling from the Cretaceous Period is the best preserved of its kind.
With a new dinosaur revolution in full swing, the image of the birdlike and active dinosaur has become unavoidable. Feathers have been preserved in the silty and volcanic ash-filled lake sediments of China and reveal not only the evolutionary secrets of birds but also those of other non-bird dinosaurs. The discovery was published in the journal Science in the year , with Ryan McKellar of the University of Alberta leading the study. Even though the specimens were too delicate and precious to be broken into, advanced microscopy allowed the scientists to look into the blocks of amber to reveal impressive branched structures inside.
Most of them seem to have been simple, fur-like insulatory structures while others had a hardened rachis in the middle and resembled flight feathers. They resembled other preserved feathers to a tee, but with an additional surprise to add to the mix. They revealed the color of the actual feathers, with shades of black and brown being preserved. Vasika Udurawane Writer. All Posts.
How amber captures the history of life
Every so often, something incredibly beautiful and delicate comes out of the fossil record. It can be the microscopic fossil of extinct plankton or the near-complete skeleton of a massive dinosaur. Then there are those fossils which show a surprising degree of completeness, presenting real snapshots of a long-lost age. They are the top 10 finest amber fossils ever. Flea with plague bacterium.
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- How amber captures the history of life | Cosmos!
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Location: Dominican Republic Age: 20 million years old. All rights reserved. The remains of a baby bird from the time of the dinosaurs have been discovered in a specimen of million-year-old amber, according to scientists writing in the journal Gondwana Research. The hatchling belonged to a major group of birds known as enantiornithes, which went extinct along with dinosaurs at the end of the Cretaceous period , about 65 million years ago. Funded in part by the National Geographic Society's Expeditions Council , this discovery is providing critical new information about these ancient, toothed birds and how they differed from modern birds.
This is also the most complete fossil yet to be discovered in Burmese amber. Mined in the Hukawng Valley in northern Myanmar, Burmese amber deposits contain possibly the largest variety of animal and plant life from the Cretaceous period, which lasted from The bird belonged to an ancient group of toothed birds called Enantiornithes, which went extinct along with the dinosaurs. This reconstruction captures the hatchling's pose as preserved in the amber.
Based on its molting pattern, researchers could determine that the bird was only in its first days or weeks of life when it was enveloped in sticky tree resin and literally frozen in time.