In 1971, the labourers Alexandre Dobruski and his son João Gustavo Dobruski found pterosaur fossils in a field near Cruzeiro do Oeste in the south of Brazil, in the state of Paraná.[1] The finds were in 2011 brought to the attention of paleontologists Paulo C. Manzig and Luiz C. Weinschütz. Most specimens are part of the collection of the Centro Paleontológico of the Universidade do Contestado.