![World's oldest known animal identified after decades-long mystery | FOX 4 Kansas City WDAF-TV | News, Weather, Sports World's oldest known animal identified after decades-long mystery | FOX 4 Kansas City WDAF-TV | News, Weather, Sports](https://fox4kc.com/wp-content/uploads/sites/16/2018/09/s099037442.jpg?w=1440&h=2560&crop=1)
World's oldest known animal identified after decades-long mystery | FOX 4 Kansas City WDAF-TV | News, Weather, Sports
Geobiologists shine new light on Earth's first known mass extinction event 550 million years ago | Virginia Tech News | Virginia Tech
![Ancient Cholesterol Confirms Dickinsonia as One of Earth's First Animals | Paleontology | Sci-News.com Ancient Cholesterol Confirms Dickinsonia as One of Earth's First Animals | Paleontology | Sci-News.com](https://cdn.sci.news/images/enlarge5/image_6432_2e-Dickinsonia.jpg)