GSA, paleobiology

Fossil discovery reveals that trilobites had clasper-like limbs used for mating

via Fossil discovery reveals that trilobites had clasper-like limbs used for mating Boulder, Colo., USA: Thanks to their easily fossilized exoskeleton, trilobites largely dominate the fossil record of early complex animal life. However, trilobite appendages and the anatomy of the underside of their body are typically not well preserved, which makes it difficult to infer… Continue reading Fossil discovery reveals that trilobites had clasper-like limbs used for mating

Glacial, sedimentary, wisconsin

The Wisconsin Dells | An Ice Age and modern water park

Despite its location in the heart of Wisconsin, the Wisconsin Dells is today known as the “Waterpark Capital of the World.” However, it was its rocks—the actual Dells—that first made it a popular Midwest tourist destination back in the 1800s. The Wisconsin Dells—which come from the French word dalles, or narrows—is a 5 mile stretch of… Continue reading The Wisconsin Dells | An Ice Age and modern water park

paleobiology

Geology Page: Researchers discover ‘epic’ new Burgess Shale site in Canada

Yoho National Park’s 505-million-year-old Burgess Shale – home to some of the planet’s earliest animals, including a very primitive human relative – is one of the world’s most important fossil sites. Now, more than a century after its discovery, a compelling sequel has been unearthed: 42 kilometres away in Kootenay National Park, a new Burgess… Continue reading Geology Page: Researchers discover ‘epic’ new Burgess Shale site in Canada