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notoceratops: herbivore dinosaur from the Cretaceous era

Notoceratops Facts

Pronunciation: NO-toe-SERRA-tops

Name meaning: Southern Horned Face

Diet	Herbivore
Height	Unknown
Length	Unknown
Environment	Land
Era	Cretaceous
Period	Late Cretaceous
Type	Other
Location	Argentina

Notoceratops represents one of palaeontology's most frustrating mysteries—a dinosaur known from a single, incomplete jaw fragment that has since been lost to science. Originally described in 1918 from Late Cretaceous rocks in Patagonia, Argentina, this enigmatic creature lived approximately 72 million years ago during the Campanian stage.

The fragmentary nature of the evidence makes Notoceratops a particularly challenging case. The original specimen consisted of just a partial left lower jaw (dentary) that was toothless, providing precious few clues about what this animal actually was. Initially, scientists classified it as a ceratopsian—a horned dinosaur related to Triceratops—which would have made it the first such dinosaur found in South America.

However, the loss of the original fossil has created an ongoing scientific puzzle. Without the physical evidence to re-examine using modern techniques, researchers cannot confirm what type of dinosaur Notoceratops actually was. Some experts now suggest it may have been a hadrosaur (duck-billed dinosaur) rather than a ceratopsian, whilst others question whether the fragment provides enough information to classify it at all.

This uncertainty highlights the importance of preserving fossil specimens and the challenges faced by early palaeontologists working with limited resources. Notoceratops serves as a reminder that our understanding of prehistoric life is built upon physical evidence that must be carefully maintained for future generations of scientists to study.

What made Notoceratops distinctive?

The distinguishing features of Notoceratops remain unknown due to the fragmentary nature of the original fossil and its subsequent loss. The only recorded characteristic was a toothless section of the lower jaw.

Behaviour

The behaviour of Notoceratops cannot be determined due to the extremely limited fossil evidence and the loss of the original specimen. Any behavioural inferences would be purely speculative given the uncertainty about what type of dinosaur it actually was.

Fun Facts About Notoceratops

Notoceratops was the first potential ceratopsian dinosaur ever discovered in South America, though its true identity remains disputed
The original Notoceratops fossil has been lost, making it impossible for modern scientists to re-examine the evidence using advanced techniques
If Notoceratops was indeed a ceratopsian, it would have been living on the wrong continent—horned dinosaurs were primarily a North American group
The name Notoceratops was chosen to reflect its southern location, with 'Noto' meaning 'south' in Greek
Some scientists now think Notoceratops might actually be a hadrosaur rather than a ceratopsian, which would make more sense geographically

Discovery

Notoceratops was first described by Augusto Tapia in 1918. The original fossils were discovered at Lago Colhué Huapi Formation, Patagonia, Argentina.

Notoceratops FAQ

What did Notoceratops eat?

Notoceratops was likely a herbivore that ate plants, but we cannot be certain about its specific diet due to the fragmentary nature of the fossil evidence and disagreement about what type of dinosaur it actually was.

How big was Notoceratops?

The size of Notoceratops is completely unknown. The original fossil was just a small fragment of the lower jaw, providing no information about the creature's overall dimensions or weight.

When did Notoceratops live?

Notoceratops lived during the Late Cretaceous period, approximately 72.2 million years ago, during what scientists call the Campanian stage.

Where was Notoceratops found?

Notoceratops was discovered in the Lago Colhué Huapi Formation in Patagonia, Argentina, making it one of the few potential ceratopsian dinosaurs found outside North America.

How do you pronounce Notoceratops?

Notoceratops is pronounced 'NO-toe-SERRA-tops', with the emphasis on the first and third syllables.

What does Notoceratops mean?

Notoceratops means 'Southern Horned Face' in Greek, reflecting both its discovery location in South America and its original classification as a horned dinosaur.

How fast could Notoceratops run?

The speed of Notoceratops is completely unknown due to the lack of fossil evidence about its body structure, limbs, or overall size.

What type of dinosaur was Notoceratops?

This is one of palaeontology's ongoing mysteries. Originally classified as a ceratopsian (horned dinosaur), some scientists now think it might have been a hadrosaur (duck-billed dinosaur), whilst others question whether there's enough evidence to classify it at all.

Was Notoceratops related to birds?

As an ornithischian dinosaur, Notoceratops was not closely related to modern birds. Birds evolved from theropod dinosaurs, which belong to a different major group called saurischians.

How many Notoceratops fossils have been found?

Only one Notoceratops fossil has ever been found—a single incomplete jaw fragment discovered in 1918. Unfortunately, this original specimen has since been lost, making further study impossible.