Lobolith, Crinoid Bulb Float, holdfast Deinonychus Liaoceratops was discovered in the

Liaoceratops was discovered in the famous Liaoning Province of China

oil-bearing shale or slate at Holzmaden

The first Odonata fossils were found in sediments from the Lower Permian

with a shell that spirals upwards into a loose

the most famous of which are the handful of specimens of the ancient bird Archaeopteryx

Lobolith, Crinoid Bulb Float, holdfast Deinonychus Liaoceratops was discovered in theThis replica Lobolith comes from the Devonian of Oklahoma. Most crinoids were held in place by a holdfast, root like system. A few species were bottom bobbers and floaters. These unique crinoids are believed to have floated with the currents with the calyx (head) facing down. The Lobolith was chambered and filled with some form of gas produced by the crinoid. The gas caused the crinoid to float and could probably be regulated to allow the crinoid to