File:FMIB 50404 Nautilus pompilius (Linnaeus), showing the interior of the lower celi, to which the animal is fixed like a waterspout.jpeg
FMIB_50404_Nautilus_pompilius_(Linnaeus),_showing_the_interior_of_the_lower_celi,_to_which_the_animal_is_fixed_like_a_waterspout.jpeg (526 × 325 pixels, file size: 55 KB, MIME type: image/jpeg)