Paleontological Deposits of Chuquisaca
June 6, 2012
The stamp set features dinosaur tracks at Cal Orcko in the Department of Chuquisaca. This Late Cretaceous oolitic limestone fossil bed contains a total of 12,092 individual dinosaur tracks in 465 trackways. Amongst them are several trackways of Tyrannosaurus, Brontosaurus, and Anquilosaurus.