MarLIN - The Marine Life Information Network - Common cuttlefish (Sepia officinalis)
U.S. Marine Biologists Reveal Secrets of Cuttlefish | Sci.News
Common cuttlefish - Wikipedia
Sepia Officinalis or Common Cuttle Fish; Calcareous bone of ditto with a longitudinal section of the same; Eggs of ditto popularly called Sea Grapes. - NYPL Digital Collections
description of Sepia officinalis - Common cuttlefish