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wartheni span the Clarkforkian
Charnia is the genus name given to a frond-like Precambrian lifeform with segmented ridges branching alternately to the right and left from a zig-zag medial suture
11---mastodon tooth
a long bony tail
It was not until other
Megalosaurus Jaw & Teeth Pachycephalosaurus wartheni span the ClarkforkianThis bipedal meat eater was up to about 26 ft (8 m) long. Fossils have been found in England and France. Megalosaurus was named by Wm. Buckland in 1824 (it was found by workers in an Oxfordshire, England limestone quarry and is now lost). The type species is M. bucklandii. Note: there are a total of 7 teeth including 2 of which are erupting the gum line. HISTORY: In 1824 Megalosaurus bucklandi became the first "dinosaur" to be described and given a
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