National Resource Center for Cephalopods

Tompsett, D.H. 1939. Sepia. Liverpool Marine Biological Committee Memoirs. 32: 184 pp. London. Williams and Norgate.

Plate 5, Figures 15-19.

 

 

Fig. I5. The shell of a male specimen: ventral view.
Fig. I6. Median optical section through the shell.
Fig. I7. Median section through the posterior part of the shell, to show how the ventral part of the phragmocone grows back posteriorly.
Fig. I8. Some of the septa of the dorsal part of the phragmocone, to show the transverse striations
on the trabeculae.
Fig. I9. Part of a shell in which part of the dorsal surface has been broken away to show the form of the trabeculae, which form a maze-like framework supporting the septa of the dorsal part of the phragmocone.

Key to Abbreviations