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Mosasaurs are one of the most terrifying reptiles that are living in the time of the dinosaurs, due to the large size of the public as a whole. However, a new study suggests that the giant sea-monster may have been one other advantage of the unique opportunity to swim in the sea.
The apex predator that lived between 145.5 million and 65.5 million years ago, and have had the opportunity to have a “strong breast stroke,” which added great bursts of speed when trying to catch prey. The study was presented at the annual 2019 at the latest Geological Society of America meeting.
“We know that mosasaurs are the most likely to use their tails for locomotion,” the study’s lead author from the University of Southern California, phd student Kiersten Formoso, said in a statement. “We are now thinking that they can use for their legs, or their tail, and legs, as well.”
Plotosaurus bennisoni, a mosasaur from the Upper Cretaceous (Maastrichtian) of North America. (Credit: Restoration of artwork on Wikimedia Commons, CC BY 3.0.)
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Formoso is added to that of the dual-swim method, it would be able to make the mosasaurs are unique among the four limbs of creatures, both in life and in death.
In order to get an idea of how the mosasaurs swam in it, the researchers looked at the fossils of a Plotosaurus, is an extinct genus of mosasaur. They also used measurements of the mosasaurs’ pectoral girdles from the other case studies in order to come up with their hypothesis.
They found that the chest-belt was made to be asymmetric, which may cause you to get the water away from her body as it floated, similar to the modern-day of the breaststroke. With the help of this, as well as his massive tail, and that the mosasaur was able to swim short distances at high speeds or for long distances.
“If anything that swims or flies, and the laws of fluid dynamics indicate that the burst versus a cruise, it is a trade-off is made,” the studies co-author, Mike Habib, has been added. “There aren’t a lot of animals are very good at both.”
Although it is difficult to understand the biomechanics of extinct animals, all of which reached up to 50 feet in length, according to LiveScience, Formoso said one thing and one thing’s for sure: “Mosasaurs swam in, as opposed to anything else.”
The new study follows on the news of a fossil of 85-million-year-old and a newborn mosasaur was discovered in Kansas city in October of 2018.
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