Jimbacrinus bostocki, crinoid mortality plate Gallimimus The seaway ran through central

The seaway ran through central Montana

During the Middle Eocene about 48 to 40 mya

of original bones of Trex made available to the public are even more rare

The fossil consists of most of the face and mandible with teeth and

Not all dinosaurs would have visited a shoreline environment and therefore tracks of some are rarely or never found

Jimbacrinus bostocki, crinoid mortality plate Gallimimus The seaway ran through centralThis is a superb crinoid mortality plate replica with 17 specimens of Jimbacrinus Bostocki from the Cundlego formation Gaskoyne Junction Western Australia. Dating to the Late Artinskian of the Permian period circa 284 275 Million Years Ago. Few collectors can afford a real specimens like this because they sell for hundreds of dollars. Crinoids are assigned to the phylum Echinodermata, a group of radially symmetrical marine animals, such as the