There are around 800 extant species and the group has a long and detailed fossil record stretching back about 450 ... the others being holothurians, crinoids, starfish and brittlestars. Like all ...

Other marine invertebrates found within the park include fossils of corals, sponges, and crinoids (sea lilies). The Shasta Ground Sloth Roamed The Grand Canyon During The Ice Age (Plus Cheetahs ...

This desert landscape with mountains, canyons, and the world's most extensive Permian fossil reef was once a thriving sea.

Fossils of ancient sea creatures, trilobites and ancestors of snails and mussels as well as sea plants called crinoids, tell the story of an equitorial tropical reef that existed 600 million years ...

Alatoconchid specimens were identified within bioclastic limestone in the upper part of the section, where no other fossils were found except for crinoid fragments (Figure 3). Although most ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. When a fossil ...

For decades, an "extremely rare" fossil sat unidentified in Japan's Museum of Unique Insect Fossils. Discovered in 1988 in Hyogo Prefecture, the imprint of a large butterfly wing and body is now ...

Before B.C.a fossil hunter Mike Trask died last week, he knew that recognition of his biggest discovery would live on. Now it has been confirmed that the ferocious-looking marine reptile he found ...

A prehistoric sea monster never-before-known to man was hunting prey in North America 85 million years ago, fossils found decades ago in Canada reveal. The first set of fossils, found in 1988 ...

Alberta's Pipestone Creek, dubbed the "River of Death," is a treasure trove of Pachyrhinosaurus fossils, offering unprecedented insights into dinosaur life. The dense bone bed, discovered in 1973 ...