The Sanga da Alemoa paleontological site is located in the city of Santa Maria, Rio Grande do Sul, in Brazil.

In 1902, Dr. Jango Fischer, born in Santa Maria, collected fossils on site that were sent to Arthur Smith Woodward, the eminent paleontologist at the British Museum in London.

Llewellyn Ivor Price, was born in Santa Maria in 1905, and completed his studies at Harvard University, USA.

Price was the first totally Brazilian paleontologist and helped define the whole structure of paleontological research in Brazil.

In 1927, geologists Paulino Franco de Carvalho and Nero Passos visited Santa Maria.

Fossils of Cerritosaurus were collected in 1941 by the Jesuit Antonio Binsfeld, of Seminary São José in Santa Maria.

In the 1940s and 1950s, expeditions organized by Llewellyn Ivor Price, the Division of Paleontology at the National Department of Mineral Production of Rio de Janeiro, arriving in the region.

The site is known internationally for his outstanding contributions and is in the urban area of Santa Maria city, near a major road junction, with great handling car, and even then, there is a project to make the place a tourist spot.