File:Sepia esculenta dorsal view.jpg - Wikimedia Commons
Spectral discrimination in color blind animals via chromatic aberration and pupil shape
File:Golden Cuttlefish (Sepia esculenta) (8475830927).jpg - Wikimedia Commons
Sepia
Cephalopod ink: production, chemistry, functions and applications. - Abstract - Europe PMC
Sepia (cephalopod) - Wikipedia
BOLD Systems: Taxonomy Browser - Sepia {genus}
דיונון (סוג) – המכלול
Sepia esculenta - Wikipedia
Sepiidae - Alchetron, The Free Social Encyclopedia
Spectral discrimination in color blind animals via chromatic aberration and pupil shape