Trachodon was a herbivore (plant-eater) that lived in North America
during the late Cretaceous period,
about 77 to 73 million years ago.
The animal was named in 1856 by Joseph Leidy based
on fragmentary fossils
remains of seven teeth, one of which had a double root.
Leidy choose the name Trachodon (which means
"rough tooth").
Leidy himself later claim to the conclusion that the teeth were
from more than one animal, and that Trachodon should be limited to
the double-rooted tooth. Despite being historically important in taxonomy,
and being widely known to the public at large, most paleontologists consider
the genus Trachodon to be a "nomen dubium"
(literally a "doubtful name" - a scientific name which is of
unknown or doubtful application).
Here is a summary of some of the key facts about Trachodon:
Trachodon was a genus of dinosaur. Although Trachodon was historically important and is well-known to the general public, today many scientists consider it be a doubtful name ("nomen dubium"), and have abandoned the use of the word "Trachodon", as it has been used to refer to fossils of many unrelated animals.
"Trachodon" means "rough tooth".
Trachodon was a member of the Ornithischia ("bird-hipped") order of dinosaurs. What this means, is that although Trachodon was not closely related to birds, it did have similarly shaped pelvic bones.
Trachodon lived between about 77 million years ago and 73 million years ago, during the late Cretaceous period.
Trachodon lived in North America.
Trachodon was a herbivore (plant-eater).
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