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Uncovering the ancient origins of modern opossum – Research News

https://www.floridamuseum.ufl.edu/science/uncovering-the-ancient-origins-of-modern-opossum/

A Florida Museum researcher has co-authored a study tracing the evolution of the modern opossum back to the extinction of the dinosaurs and finding evidence to support North America as the center of origin for all living marsupials. The study, to be published in PLoS ONE on Dec. 16, shows that pe
The findings are based in part on high-resolution CT scans of a 55-million-year-old

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Time Scales – Fossil Horses

https://www.floridamuseum.ufl.edu/fossil-horses/time-scales/

Stratigraphy is the scientific study of geological history. It originated about 200 years ago with the work of an English engineer named William Smith, who saw the same layers of fossil-bearing rock as he surveyed different parts of England. This observation led Smith to draft maps of those layer
The first vertebrates appeared around 500 million years ago, and fish evolved from

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Stratigraphy – Fossil Horses

https://www.floridamuseum.ufl.edu/fossil-horses/stratigraphy/

Animal remains are most likely to be fossilized if their hard parts are covered by layers of sediments soon after death. With time and pressure, these sediments, such as sand, plant debris, or ash, become compressed into rock. Therefore, fossils are found in sedimentary rock, like sandstone, shale,
Let’s look at a hypothetical fossil locality to see this process in action. 100 million

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World’s oldest-known grape fossils found in India – Research News

https://www.floridamuseum.ufl.edu/science/worlds-oldest-known-grape-fossils-found-in-india/

Mysterious unidentified fossilized seeds from India, donated to the Cleveland Museum of Natural History in 2005 and stored among the museum’s botany collections, were recently described by a Florida Museum of Natural History researcher as the world’s oldest-known grape species. Described in the S
Subscribe This specimen of Indovitis chitaleyae from India contains 66-million-year-old

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Ideas about fossil horses undergo evolution in thinking – Research News

https://www.floridamuseum.ufl.edu/science/ideas-about-fossil-horses-undergo-evolution-in-thinking/

The old gray mare, she ain’t what she used to be, says a Florida Museum of Natural History researcher whose findings show that the evolution of horses had more twists and turns than previously thought. According to conventional notions, horses simply became bigger over time and switched from
The tall teeth in this jaw of a nine-million-year-old Florida horse are adapted for

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