John Sibbick
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Ilustrasi Brightstoneus simmondsi.
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Nationalgeographic.co.id—Jeremy Lockwood, a retired general practitioner and PhD candidate at the University of Portsmouth, has discovered new species dinosaur with a very big nose. Invention this can be after spending months examining old bones on the Isle of Wight, England.
During the interim period of this pandemic, Lockwood decided to record every iguanodon bone found on the Isle of Wight. He eventually found a specimen with an oddly “bulky round” nose bone while examining bones from the Natural History Museum in London and the Dinosaur Isle Museum on the Isle of Wight.
Previously scientists only saw two types dinosaur on the Isle of Wight for more than a century. Both types dinosaur It is Iguanodon bernissartensis plant eaters and Mantellisaurus atherfieldensis, explains Lockwood.
“I’m sure that the subtle differences between the bones will reveal new species, so I started measuring, photographing, and studying the anatomy of each bone,” Lockwood said Nature World News.
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After four years of disassembling and researching the boxes containing the bones, Lockwood began by rebuilding the skull from a specimen that had been in storage since 1978. He discovered many distinctive features that made this skull unique.
The number of teeth from this skull is a clear indication. Mantellisaurus only had 23 or 24 teeth, but this one had 28. This skull also has a round nose, in contrast to the straight noses of other species. These differences and other minor changes combined to make it clear that this skull was a new species.
“This discovery makes this one of the days lockdown the happiest,” said Lockwood. The herbivorous dinosaur was about eight meters long and weighed 900 kilograms.
In a research paper published in Journal of Systematic Palaeontology, Lockwood named the new species as Brightstoneus simmondsi. In making this scientific paper Lockwood collaborated with Professor David Martill of the University of Portsmouth and Susannah Maidment of the Natural History Museum.
Brightstoneus is named after the settlement of Brightstone on the Isle of Wight, which is close to where the fossil was found. The name simmondsi is used in honor of Keith Simmonds, an amateur collector who assisted in the discovery and excavation of the species.
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Invention new species this shows that there are many dinosaur iguanodontians from Early Cretaceous England than scientists believe. Other than that, invention This confirms that the old agreement to establish fossil–fossil dinosaur found on the Isle of Wight to the species Mantellisaurus or Iguanodon should be reconsidered.
It seems impossible that two beings could stay the same for millions of years without changing, Lockwood said. Furthermore, Lockwood wanted to know whether the variation dinosaur change over the span of a million years, or remain constant.
According to Matthew McCurry, a paleontologist at the Australian Museum in Sydney, the bones dinosaur can also tell us a lot about Earth’s history. He said that the first step to knowing what these ancient ecosystems looked like and in studying how they evolved over time would be to describe the new species. dinosaur that.
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