Keywords: Haeckel Discomedusae 98.jpg top center Aurelia insulinda <small> Haeckel </small> Aurelia aurita <small> Linnaeus 1758 </small> medusa from below bottom right Aurelia aurita <small> Lamarck </small> Aurelia aurita <small> Linnaeus 1758 </small> polyp budding off medusae right Undosa undulata <small> Haeckel </small> Undosa undulata <small>Haeckel 1880</small> medusa internal organs from below top right Floresca parthenia <small> Haeckel </small> Floresca parthenia <small>Haeckel 1880</small> medusa from the side top left Pelagia perla <small> Haeckel </small> Pelagia noctiluca <small> Forsskål 1775 </small> medusa from the side left Pelagia perla <small> Haeckel </small> Pelagia noctiluca <small> Forsskål 1775 </small> medusa umbrella in cross-section from above bottom left Pelagia perla <small> Haeckel </small> Pelagia noctiluca <small> Forsskål 1775 </small> rhopalium center Drymonema victoria <small> Haeckel </small> Drymonema dalmatinum <small>Haeckel 1880</small> medusa umbrella center from above bottom center Procyanea protosema <small> Haeckel </small> Cyaneidae sp juvenile umbrella from below bottom umbrella from above top Kunstformen der Natur 1904 plate 98 Trachomedusae see http //caliban mpiz-koeln mpg de/haeckel/kunstformen/high/Tafel_098_300 html here http //caliban mpiz-koeln mpg de/haeckel/kunstformen/high/Tafel_098_text_1_200 html here and http //caliban mpiz-koeln mpg de/haeckel/kunstformen/high/Tafel_098_text_2_200 html here creator Ernst Haeckel 1904 PD-old Kunstformen der Natur 1904 Aurelia aurita Undosa undulata Floresca parthenia Pelagia noctiluca Drymonema dalmatinum Cyaneidae |