The shell and the locular index of the cuttle-fishes, Sepia esculenta Hoyle, Sepia subaculeata Sasaki and Sepiella maindroni de Rochebrune.

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith