The puzzling occurrence of the upside-down jellyfish Cassiopea (Cnidaria: Scyphozoa) along the Brazilian coast: a result of several invasion events? - Stampar, Sérgio Nascimento; Gamero-Mora, Edgar; Maronna, Maximiliano Manuel; Fritscher, Juliano M; Oliveira, Bruno S. P; Sampaio, Cláudio Luis Santos; Morandini, André Carrara (Zoologia, 2020)