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EunotosaurusNew research led by Tyler Lyson of Yale University and the Smithsonian Institution pushes back the origins of the turtle shell by about 40 million years, linking it to Eunotosaurus, a 260-million-year-old fossil reptile from South Africa.earth.yale.edu/news/how-turtle-got-its-shellNew Fossil Shows How the Turtle Got Its Shell
Feb 1, 2009 · A newfound fossil from southwestern China’s Guizhou Province paints a rather different picture of the origin of turtles and illuminates how their trademark armature took shape.
Turtle shell - Wikipedia
Zoologists have sought to explain the evolutionary origin of the turtles, and in particular of their unique carapace. In 1914, J. Versluys proposed that bony plates in the dermis, osteoderms, fused first to each other and then to the ribs beneath them. The theory persisted into the 21st century, when Olivier Rieppel proposed a hypothetical turtle precursor, its back covered by bony armour plat…
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‘Turtwig’ ancient turtle species discovered after fossil …
Dec 8, 2023 · Ancient plant fossils that puzzled scientists have turned out not to be plants after all, new research has revealed. Instead, the small round shapes bearing a leaflike pattern were once the...
Discovery: Turtle shells appeared 40 million years …
May 30, 2013 · The oldest known fossil turtle dated back about 210 million years, but it had an already fully formed shell, giving no clues to early shell evolution. Then a clue came in 2008 when the 220 million-year-old fossil remains of an …
Discovery of 90-million-year-old turtle fossil reveals a new species ...
Feb 14, 2023 · ASU PhD student Brenton Adrian identified a new baenid turtle, Edowa zuniensis, from the Moreno Hill Formation in the Zuni Basin. The fossil reveals advanced traits and …
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Why the Turtle Grew a Shell—It’s More Than Safety
Jul 22, 2016 · After years of studying fossils left behind by ancient turtles and their ancestors, a group of scientists have come to the conclusion that their shells weren’t initially for protection: they...
It’s Turtles All the Way Down in the Fossil Record
Dec 26, 2022 · The flatness of a turtle shell, he found, could help paleontologists figure out how deeply a fossil site was originally buried before eons of other geological activity.
How the turtle got its shell | The Department of Earth …
Jun 10, 2013 · New research led by Tyler Lyson of Yale University and the Smithsonian Institution pushes back the origins of the turtle shell by about 40 million years, linking it to Eunotosaurus, a 260-million-year-old fossil reptile …
This 6-million-year-old turtle shell still has some DNA
Sep 29, 2023 · The DNA comes from the remains of a turtle shell first uncovered in 2015 in the Chagres Formation on Panama’s Caribbean coast. It represents the oldest known fossil evidence of Lepidochelys...
ScienceShot: How the Turtle Got Its Shell | Science
May 30, 2013 · Now, researchers have taken a closer look at a previously discovered 260-million-year-old reptile fossil from South Africa (pictured) and concluded that it's a stem turtle, a sister genus to modern turtles' ancestors.
Turtles are generally hard-shelled animals. They are known from fossils as far back as the Triassic Period — over 200 million years ago — and have changed little since they became …
Fossil turtle didn't have a shell yet, but had the first toothless ...
Aug 22, 2018 · There are a couple of key features that make a turtle a turtle: its shell, for one, but also its toothless beak. A newly-discovered fossil turtle that lived 228 million years ago is...
This 228 million-year-old turtle didn’t have a shell - CNN
Aug 22, 2018 · A newly discovered early turtle fossil from 228 million years ago is missing something crucial: its shell. But in the long, intriguing tale of turtle evolution, turtles didn’t …
Newly Discovered Turtle Ancestors Chomped With Beaks But …
Aug 23, 2018 · Newly Discovered Turtle Ancestors Chomped With Beaks But Bore No Shells. A 228-million-year-old fossil fills gaps in the tale of turtle evolution—and raises a few questions
Unlocking The Secrets Of Fossil Turtle Shell Identification: A ...
Oct 13, 2024 · Fossil turtle shells serve as crucial evidence in unraveling migration patterns and dispersal events. By tracking the geographic spread of turtles, we gain insights into the factors …
8-Year-Old Discovers Why Turtles Have Shells | Live Science
Jul 18, 2016 · Researchers looked at the remains of 47 ancient proto-turtles (Eunotosaurus africanus), ancient reptiles that sported partial shells. These animals had broadened ribs that …
How Do You Tell If A Turtle Shell Is A Fossil? – The Turtle Hub
Oct 16, 2024 · 3 Ways To Identify A Turtle Shell Fossil. 1. Click Test; 2. Lick Test; 3. Burn Test; How Long Does It Take To Fossil A Turtle Shell? What Is The Oldest Turtle Shell Fossil? …
Turtles of Missouri | Missouri's Natural Heritage | Washington ...
Turtle shells are composed of two main parts–the upper section called the carapace and the lower section called the plastron. The hard-shelled species have shells composed of bony plates …
Missouri Fossils - Publication by DR Bruce L Stinchcomb - Lake …
deposited during the Jurassic. A peculiar fossil turtle, Namocheyles sp., in which the shell was covered with little beadlike knobs, occurs in clays in one of these paleokarsts. Beaded turtles …
shelled animals. They are known from fossils as far back as the Triassic Period—over 200 million years ago—and have changed little since they became established. There are currently more …
About Fossils - Tule Springs Fossil Beds National Monument (U.S ...
Dec 31, 2024 · If you find a fossil at Tule Springs Fossil Beds, leave the fossil where it is, take a photo, and share your discovery with park staff. Removing fossils from the sites where they …
"Time is ticking" for world’s rarest turtle - Discover Wildlife
3 days ago · "Time is ticking" for world’s rarest turtle - Discover Wildlife
What Is Inside A Turtle's Shell? - IFLScience
Jan 8, 2025 · What Is Inside A Turtle's Shell? Ever wondered what exactly a turtle's shell is made of? Let's break down their composition and function. 1 Comment. 83 Shares. Read more about …
Portable eDNA test can detect rare softshell turtle in a massive …
2 days ago · The goal of the project was to develop a sensitive and specific portable eDNA water test to detect a known individual of Swinhoe's softshell Turtle, confirmed through a previous …
New insights on the shell-crusher shark Ptychodus decurrens …
Jan 8, 2025 · Exceptionally preserved shark fossils from Mexico elucidate the long-standing enigma of the Cretaceous elasmobranch Ptychodus. Proceedings of the Royal Society B, …
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