Keywords: Haeckel Discomedusae 28.jpg top center Toreuma bellagemma <small> Haeckel </small> Kolpohorae sp medusa from the side center Toreuma bellagemma <small> Haeckel </small> Kolpohorae sp medusa from bottom right Toreuma bellagemma <small> Haeckel </small> Kolpohorae sp medusa mouth from below bottom left Toreuma bellagemma <small> Haeckel </small> Kolpohorae sp medusa gonads from above top left Toreuma thamnostoma <small> Haeckel </small> Kolpohorae sp medusa bell from above top right Cassiopeja cyclobalia <small> Leo Schultze </small> Cassiopea andromeda <small> Forsskål 1775 </small> medusa bell from above Kunstformen der Natur 1904 plate 28 Discomedusae see http //caliban mpiz-koeln mpg de/haeckel/kunstformen/high/Tafel_028_300 html here http //caliban mpiz-koeln mpg de/haeckel/kunstformen/high/Tafel_028_text_1_200 html here and http //caliban mpiz-koeln mpg de/haeckel/kunstformen/high/Tafel_028_text_2_200 html here creator Ernst Haeckel 1904 public domain due to age <gallery>File Haeckel Discomedusae 28 original work jpg Sketch used to produce plate</gallery> PD-old Kunstformen der Natur 1904 Rhizostomeae Cassiopea andromeda |