Everything happens for a reason. That was how a little kung-fu kick led to the discovery of the oldest complete fish fossil! In 2019, three paleontologists in Chongqing province, China, went on to discover the oldest fish fossil ever found, in its complete form, by accident. While the trio was having a playful kung-fu fight, one was kicked into a rock formation. The impact caused the rocks to fall off, where they discovered the first oldest fish fossil ever found in its complete form.
The discovery was a breakthrough in Paleontology as the fish fossil could pave way for numerous possibilities on how prehistoric organisms lived.
Fishes in prehistoric earth started to evolve about 530 million years ago. The Cambrian explosion likely triggered the process in fish. The Cambrian explosion is the time on earth when a large group of animals first appeared on the planet. These fishes, also known as Agnatha, were organisms with spinal columns, gills, and without a jaw. It is notable that fishes are the first vertebrates to live on earth.
Over the course of years, fishes slowly started developing other predominant parts like fins and also developed highly functional gills. The gills helped fishes absorb oxygen and assisted in breathing.
550 million years ago – Earliest vertebrates lived on earth.
450 million years ago – Fishes with jaws and bodies resembling the structure of a shark were present.
50 million years ago – The evolution of fish fossils saw the emergence of bony fish.
Hope the facts and information have quenched your thirst for knowledge on fish fossils. Check out the quiz to test your memory now!
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