Top Ten Prehistoric Animals
Quick Giganotosaurus Facts: - Giganotosaurus had a 6 foot long head—as big as the average human! - This dinosaur could swallow a human being in one bite - It had almost 80 serrated teeth - Its largest teeth were 8 inches long - This dinosaur was as almost as long as a railroad car.
Mastodon as a genus name is obsolete; the valid name is Mammut, a name that preceded Cuvier's description, making Mastodon a junior synonym. The change was met with resistance, and authors sometimes applied "Mastodon" as an informal name; consequently it became the common term for members of the genus.
Daeodon (now includes Dinohyus) Name: Daeodon (Hostile tooth - alternatively, Destructive tooth). Phonetic: Day-oh-don. Named By: Edward Drinker Cope - 1879. Synonyms: Ammodon, Boochoerus, Dinochoerus, Dinohyus.