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400M-year-old 'armored' Fish May Change The History Of Sharks As We Know It
A 410-million-year-old fossil of an armored fish has completely changed the history of sharks, according to a newly published study.
The fish, known as Minjinia turgenensis, had a skeleton made of bone, as opposed to the cartilage that sharks are largely comprised of now, save for their teeth. Experts discovered the fossilized skull in the Mongolian mountains.
“It was a very unexpected discovery," the study's lead author, Martin Brazeau, said in a statement. "Conventional wisdom says that a bony inner skeleton was a unique innovation of the lineage that split from the ancestor of sharks more than 400 million years ago, but here is clear evidence of bony inner skeleton in a cousin of both sharks and, ultimately, us.”
GREAT WHITE SHARKS OLDER THAN PREVIOUSLY THOUGHT, STUDY SAYS
It's possible that M. turgenensis could have been larger than great whites, with some members of the placoderm (jawed fish) species reaching 30 feet or more in length. Brazeau also noted it was likely a predator.
Although M. turgenensis is believed to have been significantly smaller than modern-day whale sharks or great whites at approximately 1 foot long, it has made an enormous impact, suggesting that sharks once had bone and then lost it, researchers said.
In addition to having a skeleton comprised of bone, it had bony plates over its head and shoulders that acted as shields, with Brazeau describing it as "extensive armor" as it swam the ancient seas.
The discovery adds further credence to the theory that endochondral bone – which makes up human skeletons after birth – may have played a huge role in shark evolution and helped them exist and adapt for more than 400 million years.
“If sharks had bony skeletons and lost it, it could be an evolutionary adaptation," Brazeau added. "Sharks don’t have swim bladders, which evolved later in bony fish, but a lighter skeleton would have helped them be more mobile in the water and swim at different depths.
“This may be what helped sharks to be one of the first global fish species, spreading out into oceans around the world 400 million years ago," Brazeau explained.
The study was published in the scientific journal Nature Ecology & Evolution.
13 Coffins, Closed For 2,500-years, Discovered In Egypt
Some 13 2,500-year-old human coffins have been discovered during an excavation in Egypt.
The finds were made at the ancient site of Saqqara.
In a Facebook post, Egypt’s Ministry of Tourism and Antiquities said the coffins were found in a “deep well for burial.†The wood coffins, stacked on top of each other, were buried in the 36-foot deep “well.â€
Initial indications are that the coffins haven’t been opened since they were closed 2,500-years ago. Other coffins are expected to be found in the sides of the well, according to officials. “The identity and positions of the owners of these coffins or their total number have not been identified, but these questions will be answered within the next few days through the continuation of excavations,†the Ministry of Tourism and Antiquities said in the Facebook post.
Egypt continues to reveal new aspects of its rich history. Statues of ancient Egyptian goddesses and Pharaoh Ramses II, for example, were recently uncovered near Mit Raineh, about 18 miles south of Cairo.
Earlier this year, a 3,600-year-old teenage mummy was discovered in Luxor, as well as tombs of a number of high priests.
Last year, an ancient fortress built by Ramses II was discovered in Beheira Governorate, northwest of Cairo, according to Egypt Today.
Kim Kardashian Shares Video Of Kanye West Walking On Water At Sunday Service Gathering
Kanye West added a performance art element to his most recent Sunday Service gathering in which he, his kids and his choir walked on water.
The 43-year-old rapper, mogul and presidential candidate reportedly set out to recreate the Bible story in which Jesus Christ and his disciple Peter walked on water. Having positioned a platform just under the surface of a nearby pond, West walked across with his 7-year-old daughter, North, and 4-year-old son, Saint, by his side.
His wife, Kim Kardashian-West, was also there but sat on the sidelines and filmed her husband and kids as well as his choir singing while seemingly standing in the middle of the pond on the water’s surface. According to Entertainment Tonight, West held both a sunrise and sunset service this week, saving the stunt for the latter.
In addition to West and his choir, which performed his song “Ultralight Beam,†Lakewood Church senior pastor and televangelist Joel Osteen was on hand to give a sermon during Sunday’s gathering. According to ET, other celebrities that made up the 150 attendees included La La Anthony, Monica Denise and 2 Chainz. Despite the large gathering, the event was said to have been in compliance with COVID-19 safety protocols.
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