Memory of visual and topographical features suggests spatial learning in nautilus (Nautilus pompilius L.)
Journal of Comparative Psychology (2009) - Comment
pubmed: 19685967  doi: 10.1037/a0015921  issn: 0735-7036  issn: 1939-2087 

Robyn J. Crook, Roger T. Hanlon, Jennifer A. Basil