The 54th plate from Ernst Haeckel's "Kunstformen der Natur" (1904), depicting organisms classified as Gamochonia. Species: 150px # "Chiroteuthis veranyi" (Férussac) # "Histioteuthis rüppellii" (Verany) # "Pinnoctopus cordiformis" (Gaimard) # "Octopus vulgaris" (Lamarck) # "Octopus granulatus" (Lamarck)