This may be weird, but when I looked again at this picture I took at the natural history museum in DC of a model of a Devonian fish, my first thought was that it looked like a cool Traveller ship design:
(Pardon the crappy picture -- it was pretty dark in there, and I couldn't use a polarizer to kill the glare without blurring the picture.)

(Pardon the crappy picture -- it was pretty dark in there, and I couldn't use a polarizer to kill the glare without blurring the picture.)