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Charniodiscus concentricus. Ediacaran Fauna PteranodonThis is probably Charniodiscus concentricus., a Spindle shaped form of Vendozoan from Mistaken Point, Cape Race, Newfoundland. Stratigraphically the Cape Race material is from the Mistaken Point Formation dated at 565 Ma +or 3 Ma. Ediacaran (=Vendian) period of Precambrian age. Bruce Stinchcomb presents several forms on page 100 101 in figures 8 14 and 8 17 along with #2 the medusiform also from Cape Race. The Vendian marks the first appearance of a
moving up and down
Much of the skeleton is still in plaster jackets awaiting preparation
South Dakota
Type Species - Dracorex hogwartsia
It was quadrupedal
All cephalopods
Claosaurus
Brachiosaurus was about 85 feet (26 m) long
and that tail swinging behavior is feasible in ankylosaurids
It was a massive dinosaur measuring up to 50 feet in length and weighing between 10-15 tons
consisting mostly of limb bones and isolated cervical vertebrae and ribs
near the village of Messel
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