Specimens of Archaeopteryx assumed to be imprints of the shafts of primary remiges. Long in a private collection in Switzerland, the Thermopolis Specimen (WDC CSG 100) was discovered in Bavaria and described in 2005 by Mayr, Pohl, and Peters. Donated to the Wyoming Dinosaur Center in Thermopolis, Wyoming, it has the best-preserved head and feet; most of the neck and the lower jaw have not been preserved. The "Thermopolis" specimen was described in the 2 December 2005 "Science" journal article as "A well-preserved "Archaeopteryx" specimen with theropod features"; it shows that the "Archaeopteryx" lacked a reversed toe — a universal feature of birds
Aathal Dinosaur Museum Dinosaurs, Archaeopteryx, eggs and embryos and footprints, as well as meteorites and minerals of "Siber + Siber". The collection includes 10 skeletons being finds from excavations by the museum's team, 10 further original skeletons from Dino, air and marine saurians, 19 detached skeleton fossil dinosaur replicas as well as 31 life-size dinosaur models and 42 replicas of dinosaurs and dinosaur skulls. In 2012 there were 437 guided tours, of which about three hundred for school classes, and since 1992 about 1,571,012 visitors. The staff of the museum consists of approximately 33 employees, of which six are members of the paleontological-scientific