3 species (see text) Adelieledone is a genus of octopuses in the family Megaleledonidae.

[1][2] According to the Census of Marine Life, it may be the closest living relative of the Antarctic ancestor of all octopus species that lived 30 million years ago.

The most notable feature of adelieledone is the rostral point on the lower beak.

[4] There are three recognized species:[1] Matias, Ricardo S., et al. “Show Your Beaks and We Tell You What You Eat: Different Ecology in Sympatric Antarctic Benthic Octopods under a Climate Change Context.” Marine Environmental Research, vol.

Schwarz, Richard, et al. “Life Histories of Antarctic Incirrate Octopods (Cephalopoda: Octopoda).” PLOS ONE, vol.