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 fossil content of local limestone shows the diversity of life in the late Ordovician period. Bryozoans and brachiopods, nearly equal in abundance, form about 60% of the allochems in local ...

Within these layers are marine fossils, including brachiopods, corals, crinoids, and gastropods. In some locations there are land plants and reptile tracks. This layer of rock, known as the ...

Dr Neil Clark, a real life palaeontologist, shows a range of fossils including colonial coral found in equatorial regions, crinoids which are sea lilies still alive today and orthocones (related ...