Primary and Secondary Geochemical Signals in the Chemical Composition of Exoskeleton of Corumbella werneri (Tamengo Formation, Corumbá Group, Brazil): A Pilot Study. - Calmon Almeida, Ana Valéria Alves; Giorgioni, Martino; Walde, Detlef Hans Gert; Do Carmo, Dermeval Aparecido; Gonçalves, Guilherme de Oliveira (Minerals (2075-163X), 2024)