Photo by F. Caxito This little fellow is Corumbella werneri (Hahn et al., 1982), one of the oldest animal fossils in South America. Here it is seen in limestone from Corumbá, Mato Grosso do Sul, Brazil. Corumbella and her cousin, Cloudina, are among the first animals to develop a calcareous shell. Why did they doContinuar lendo “Corumbella werneri from Mato Grosso do Sul, Brazil”