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506-Million-Year-Old ‘Mothra’ Fossil Shows the Weirdness of Early Life


A creature that is newly described in the Cambrian period, puts a strange twist on what we know about the early animal evolution. Meet Mosuria FentoniRecently, a three-eyed, claw and flappy predator about the size of your finger identified by the famous Burgess shale of Canada.

Alien-looking animal is part of a group called radioprosites that are now a generation of the best known arthropods Anomalocarisa three-meter length (one meter long) a circular mouth full of sea terror and teeth.

Like cousins, Mosuria Similar nutrition had limbs like a paddle for a disk and swimming. However, it was a strange surprise: each of the 16 tight-filled body parts covered with gills has a segment like a tail. Royal Society Open Science published The team’s description of the creature today.

“As much as we get information about the radiologists, it always seems like a new and surprising thing around this group in the corner,” he said. “‘Abdomen’ Mosuria It is different from its segments, and they would only be useless for restrictions. “

Researchers are not absolutely sure why Mosuria This supplement needed real estate, but it may be related to how he lives – perhaps the live Cambrian seashells, hanging or especially active lifestyle.

Reconstruction of a life of radiodont.
Reconstruction of a life of radiodont. Illustration: Art by Danielle Dufi, © ROM

The unique form of a wide swimming cap and a slender abdomen won the “Sea Moth” nickname of researchers MosuriaA nod for Japanese Kaiju mototra. But in spite of his nickname, Mosuria It is only related to moth. Mosuria Although the arthropods are part of a more ancient generation, and despite the long-running radio monuments, the significant protection in the north of Burgess has regularly gives new species.

Outside the sci-fi look, Mosuria Half a billion years ago also offers rare images of half anatomy. Some of the 61 fossiles of rent, canned nervous textures, eye structures, reflective patches that represent the digestive system and even an open blood circulation system – a digestive system, which is a heart pump in the inner gaps called LacUNAEE and even opposite patches. The same features that have previously mysterious in other fossils are known in the team Mosuria samples.

The fossils gathered by the Royal Ontario Museum in the last 50 years, came by Yoho and Kootenay National Parks in Burgess Shale region. The region was part of the ancient sea coast and is known for the exceptional protection of soft-body organisms calling home.

MoysiUK, there are several other presents from the explosion of the Cembrian recently, including Titanokorys Gainesi In 2021 and Cambroraster FalcatusIn 2019, the Millennial Sahin took the name.

“Thus, many science fiction creatures inspired by living organisms,” Moysuk said. “The scientists only look natural for a little inspiration in return.”

“There is a lot of possible inspirations for the names of the species, but I think the” shakes are a lot of potential with franchise, “Moysiuk added. “This series is supposed to have giant worms, Precambrian’s relic and there is no meaning, it can make it for a fun reference.”

First, you heard here: Discovered creatures, unless you continue to look like an alien, like Moysiuk’s latest findings, no scientific art is safe from being scientific nomenclature.



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