Allaeochelys crassesculptata, Messel Turtle Ankylosaurus These unique crinoids are believed

These unique crinoids are believed to have floated with the currents with the calyx (head) facing down

Ross Limestone

Like all eagles

switching to a mainly quadrupedal style of walking when they grew larger

and possibly the second-most famous fossil group after the dinosaurs

Allaeochelys crassesculptata, Messel Turtle Ankylosaurus These unique crinoids are believedThe Messel Pit is a no longer used quarry near the village of Messel which is located about 35 km south east of Frankfurt, Germany. The quarry was used to mine bituminous shale. On December 9, 1995, the Messel Pit was declared a World Heritage site by UNESCO. The Messel Pit has been known for its fossils since about 1900, but was not seriously excavated for scientific study until the 1970's. The Messel Pit was closed to collecting in 1974. Therefore