He sat down on the edge of the bed, staring at his feet... and then keeled over on the bed.
But its scales are keeled and its form is more robust.
Division Carinatae.-With keeled sternum.
Hesperornis too, with its keelless sternum, had aborted wings but strong legs and feet adapted for swimming, while Ichthyornis had a keeled sternum and powerful wings, but diminutive legs and feet.
Their body is cylindrical, flexible in every part, covered with smooth or keeled scales, and provided with broad ventral and subcaudal scutes.