How did the Lystrosaurus become extinct?
It’s likely that the planet cooled down for a time, then heated up into a devastatingly profound greenhouse. At the same time, all that carbon caused ocean acidification. The resulting climate changes ultimately killed off 95 percent of all species on Earth. But not Lystrosaurus.
What was significant about the Lystrosaurus?
Lystrosaurus provides an important piece of evidence in the debate about whether Earth’s continents had significantly changed their positions in the geological past, the idea first proposed by German meteorologist and geophysicist Alfred Wegener in 1912 and popularly known as continental drift.
What happened to the Lystrosaurus?
Lystrosaurus survived the Permian-Triassic extinction, 252 million years ago. In the Early Triassic, they were by far the most common terrestrial vertebrates, accounting for as many as 95% of the total individuals in some fossil beds.
When did Lystrosaurus go extinct?
250 million years ago
250 million years ago an extinction event wiped out 95% of all species on Earth, the greatest such winnowing ever to occur.
How did Lystrosaurus help reveal continental drift?
His insight helped Alfred Wegener to publish continental drift theory in 1912. Fossils of reptile Lystrosaurus, which roamed the earth 250 million years ago: excavated and recovered from South Africa, India and Antarctica: therefore leaving no doubt that the three continental entities were once joined.
How does the Lystrosaurus fossil evidence support the continental drift theory?
Fossils of reptile Lystrosaurus, which roamed the earth 250 million years ago: excavated and recovered from South Africa, India and Antarctica: therefore leaving no doubt that the three continental entities were once joined. … The two continents are today separated by very vast Atlantic ocean.
What is Lystrosaurus fossil?
Lystrosaurus – which literally means ‘shovel reptile’ – was dominant on land in the early Triassic, 250 million years ago. It is thought to have been herbivorous and grew to approximately one metre in length, with a stocky build like a pig. Fossils of Lystrosaurus are only found in Antarctica, India and South Africa.
What environment did the Lystrosaurus live in?
We provide evidence for a hibernation-like condition in Lystrosaurus, a mammal relative that lived in the Antarctic portion of Pangea about 250 million years ago. This discovery was enabled by high-resolution of incremental growth marks preserved in the tusks of Lystrosaurus. What is Lystrosaurus?
How do fossil remains support the geological process of continental drift?
One type of evidence that strongly supported the Theory of Continental Drift is the fossil record. Fossils of similar types of plants and animals in rocks of a similar age have been found on the shores of different continents, suggesting that the continents were once joined.
How did Wegener’s theory of continental drift differ from the current theory of plate tectonics 2 points?
The difference between continental drift and plate tectonics is that the theory of continental drift states that the world was made up of a single continent. The theory of plate-tectonics, on the other hand, states that earth’s surface is broken into numbers of shifting plates or slabs.
How did Wegener’s theory of continental drift differ?
What were the facts that support the theory of Wegener?
Wegener used fossil evidence to support his continental drift hypothesis. The fossils of these organisms are found on lands that are now far apart. Grooves and rock deposits left by ancient glaciers are found today on different continents very close to the equator.
(Show more) Lystrosaurus, extinct genus of about seven species of medium-sized heavily built animals that lived from the middle of the Permian Period (298.9 million to 251.9 million years ago) until early in the Triassic Period (251.9 million to 201.3 million years ago).
Is Lystrosaurus a mammal or reptile?
LystrosaurusTherapsids, such as Lystrosaurus, were mammal-like reptiles that thrived early in the Triassic Period (252 million to 201 million years ago). Encyclopædia Britannica, Inc. Lystrosaurus was roughly 1 metre (about 3 feet) long and was heavily built.
What is Lystrosaurus fossils used for?
Lystrosaurus fossils may serve as indicators of the boundary between the Permian and Triassic periods and also are part of the body of evidence supporting the theory of continental drift.
How did Lystrosaurus survive the Siberian genocide?
Another way Lystrosauru s survived was simply by walking. A lot. Based on enormous number of fossils found by paleontologists over the past 150 years or so, it seems that Lystrosaurus was also a great wanderer. These splayfooted creatures managed to escape some of the worst effects of the Siberian igneous province by scuttling south.