An amphibious predator emerging from thick coastal fog over shallow water, its entire skull sheathed in one solid unbroken plate of smooth pale bone that runs straight from the jaws over the top of the head like a helmet with no openings, the bone plate pitted with small breathing holes, a wide lamprey mouth of needle teeth below it, long clawed forelimbs, grey-green hide, the fog visibly curling toward it as if drawn in