Crinoids have graced the oceans for more than 500 million years. Among the most attractive fossils, crinoids had a key role in the ecology of marine communities through much of the fossil record, and ...

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 ...

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 fossils were originally uncovered by two hobby ... "And it's the same for the comatulids, or stemless crinoids (feather stars) - 200 years' worth of collecting is represented at the museum ...

"This fossilized tooth found amid an assemblage of marine fossils including bryozoans, brachiopods, and crinoids indicates that the Qujing region experienced multiple marine transgressions from ...