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20 Jul 2012
 A variety of species from the order Siphonophorae (image from Ernst Haeckel’s Kunstformen der Natur: 1904) (top center): Porpema medusa, adult colony, side view (top left, upper): Porpema medusa, adult colony, group of sexual polyps (top right, upper): Porpema medusa, adult colony, gas bladder (center right): Porpema medusa, adult colony, side view without tentacles (bottom right): Porpalia prunella, adult, top view (top left, lower): Discalia medusina, young colony, bottom view without tentacles (center left): Discalia medusina, young colony, side view (center): Disconalia gastroblasta, young colony, bottom view (top right, lower): Disconalia gastroblasta, very young colony, bottom view without tentacles (bottom left, left half): Disconalia gastroblasta, young colony, horizontal section through upper bell (bottom left, right half): Disconalia gastroblasta, young colony, horizontal section through lower bell (bottom center): Disconalia gastroblasta, young colony, sexual polyp

 A variety of species from the order Siphonophorae (image from Ernst Haeckel’s Kunstformen der Natur: 1904)

  1. (top center): Porpema medusa, adult colony, side view
  2. (top left, upper): Porpema medusa, adult colony, group of sexual polyps
  3. (top right, upper): Porpema medusa, adult colony, gas bladder
  4. (center right): Porpema medusa, adult colony, side view without tentacles
  5. (bottom right): Porpalia prunella, adult, top view
  6. (top left, lower): Discalia medusina, young colony, bottom view without tentacles
  7. (center left): Discalia medusina, young colony, side view
  8. (center): Disconalia gastroblasta, young colony, bottom view
  9. (top right, lower): Disconalia gastroblasta, very young colony, bottom view without tentacles
  10. (bottom left, left half): Disconalia gastroblasta, young colony, horizontal section through upper bell
  11. (bottom left, right half): Disconalia gastroblasta, young colony, horizontal section through lower bell
  12. (bottom center): Disconalia gastroblasta, young colony, sexual polyp
  1. alexanderly posted this