20 Strange Animals That Are Extinct From Past Millions Of Years 9 extinct megafauna that are out of this world. the daedon lived around 20 million years ago in north america. megafauna are large animals. examples include elephants, giraffes, whales, cows, deer. 4. helicoprion. (by james st. john, wikimedia commons) this long extinct species of shark is well known for its uniquely odd appearance which can be identified by the “tooth whorls” attached to its jaw, i.e., the spiral arrangement of teeth it has. this species has been extinct for approximately 200 million years. 5.
20 Strange Animals That Are Extinct From Past Millions Of Years Lost animals: extinct, more than 560 million years ago, in the days of dickinsonia, animal life was new. and strange. this animal, an ancient and strange relative of today’s arthropods. 20 types of extinct animals. there are many animals that have already gone extinct due to natural causes and human activities. some animals have been extinct for millions of years, while others went extinct a few hundred years ago. in this list, you can find 20 extinct animals and what contributed to their decline. 1. tasmanian tiger. Researchers dated the first known m. inexpectatus fossil, found in modern day texas, to the pliocene, between 3.2 million and 2.5 million years ago, according to the zoo. they went extinct about. Radiodonts are weird animals. now extinct, they once dominated the oceans, especially during the cambrian period (541 million to 485 million years ago). some of the first radiodont fossils discovered more than a century ago were isolated body parts, and initial attempts at reconstructions resulted in some “frankenstein’s monsters”.
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