prootic การใช้

• The length of the prootic from the front to the back is around.
• Like some other ophthalmosaurids, " Sveltonectes " has a projection on the nasal bone of the skull into the naris, a prefrontal forming part of the margin of the naris and a frontal forming part of the margin of the supratemporal fenestra . " Sveltonectes " is unique in that it has small, sharp teeth and numerous other peculiar features such as a very primitive prootic.