Instead, things like ammonites or corals are the most common fossils; and of course, crinoids are a coveted find. Crinoids are often referred to as “sea lilies” even though they’re ...

What kind(s) of organisms are fossilized here? 24. These are fossils of the same kind of organism, a crinoid. Crinoids are very delicate creatures with many fine structures (see picture). In one of ...

Scientists have found ancient nail tooth shark fossils deep inside Mammoth Cave in Kentucky, revealing new information about ...

Paleontologists at Mammoth Cave National Park have unearthed an ancient shark species previously unknown to science.

Fossils formed when an animal's shell or other hard structure ... American Indians used chert for tools and weapons. Crinoids are marine animals that look like flowers. It has a long stem or stalk and ...

The predator was attempting to eat sea lilies, also called crinoids. The deep-sea creatures, which could be mistaken for plants, still exist today. The fossil also appears to contain bryozoans ...