Teeth, skull fragments, lower jaw, and an isolated vertebra of a short-necked plesiosaur were collected from the Eagle Ford Shale (Turonian) near Dallas, Texas. Close to Polyptychodon interruptus Owen, but smaller and lacking the high parietal crest, this is given a new specific name and is the first representative of this genus from the Western Hemisphere.

You do not currently have access to this article.