"A field day at the Ignaberga chalk quarry in southern Sweden resulted in a big bag of cretaceous belemnite fossils. I started thinking about how the animals might have looked, and what colours they may have had. Of course, this is just a speculation, but I figured that they probably had a pattern or two in common with modern pack-hunting predatory fish. When I came home I drew this picture, borrowing the coloration and pattern from the atlantic Mackerel. Countershading and confusing stripes seemed appropriate for an organism partaking in collective assaults on a school of plancton-eating prey fish…"