Pectinodon Facts
Pronunciation: pek-TIN-oh-don
Name meaning: Comb Tooth
| Diet | Carnivore |
| Height | 0.6m |
| Length | 1.5m |
| Weight | 8 kg |
| Environment | Land |
| Era | Cretaceous |
| Period | Late Cretaceous |
| Type | Theropod |
| Location | North America |
Pectinodon was a small theropod dinosaur that lived during the final stages of the Late Cretaceous period, approximately 72 to 66 million years ago. This diminutive predator inhabited the ancient landscapes of North America, alongside famous dinosaurs like Tyrannosaurus rex and Triceratops. However, our understanding of Pectinodon remains frustratingly limited, as it is known exclusively from isolated teeth found in the Hell Creek Formation.
The teeth of Pectinodon reveal it was a member of the Troodontidae family, a group of bird-like theropods known for their intelligence and agility. These teeth are distinctively serrated and curved, perfectly adapted for slicing through flesh. The comb-like appearance of these dental remains gave Pectinodon its name, which means 'comb tooth'. Based on comparisons with related troodontids, scientists estimate this theropod was roughly the size of a large dog.
As a carnivorous theropod, Pectinodon would have been an active hunter, likely preying on small mammals, lizards, and possibly young dinosaurs. Like other troodontids, it probably possessed keen eyesight, quick reflexes, and a relatively large brain for its body size. The dinosaur would have been bipedal, running swiftly on its hind legs whilst using its clawed hands to grasp prey.
Unfortunately, without more complete skeletal remains, many aspects of Pectinodon's biology and appearance remain speculative, making it one of the more enigmatic dinosaurs from the end of the Mesozoic Era.
What made Pectinodon distinctive?
Pectinodon is distinguished primarily by its distinctive serrated, curved teeth that have a comb-like appearance when viewed from certain angles. These teeth are relatively small but show clear adaptations for cutting meat, with fine serrations along the edges.
Behaviour
Based on its troodontid classification, Pectinodon likely exhibited intelligent hunting behaviour and may have been active during twilight hours when its large eyes would have provided an advantage. It probably used stealth and speed to ambush smaller prey rather than confronting larger animals directly.
Discovery
Pectinodon was first described by Kenneth Carpenter in 1982. The original fossils were discovered at Hell Creek Formation, Montana, USA.
Pectinodon FAQ
What did Pectinodon eat?
Pectinodon was a carnivore that likely fed on small mammals, lizards, insects, and possibly eggs or young dinosaurs. Its sharp, serrated teeth were perfectly designed for slicing through meat and suggest it was an active predator rather than a scavenger.
How big was Pectinodon?
Pectinodon is estimated to have been about 0.6 metres tall at the hip and 1.5 metres long, weighing approximately 8 kilograms. However, these measurements are based on comparisons with related troodontids, as no complete skeleton has been found.
When did Pectinodon live?
Pectinodon lived during the
Late Cretaceous period, specifically during the Maastrichtian age from about 72.2 to 66 million years ago. This means it was alive right up until the mass extinction event that ended the age of dinosaurs.
Where was Pectinodon found?
Pectinodon fossils have been discovered in North America, specifically in the famous Hell Creek Formation of Montana, USA. This geological formation is renowned for preserving the final chapter of the dinosaur era.
How do you pronounce Pectinodon?
Pectinodon is pronounced 'pek-TIN-oh-don', with the emphasis on the middle syllable 'TIN'.
What does Pectinodon mean?
Pectinodon means 'comb tooth' in Latin, referring to the distinctive serrated edges of its teeth that resemble the teeth of a comb when viewed under magnification.
How fast could Pectinodon run?
The running speed of Pectinodon is unknown due to the lack of leg bone fossils. However, related troodontids were typically fast runners, so Pectinodon was likely quite agile and quick on its feet.
What type of dinosaur was Pectinodon?
Pectinodon was a small theropod dinosaur belonging to the Troodontidae family. Theropods were bipedal, primarily carnivorous dinosaurs that included famous predators like
Tyrannosaurus rex, though Pectinodon was much smaller.
Was Pectinodon related to birds?
Yes, as a theropod dinosaur, Pectinodon was related to modern birds. Troodontids like Pectinodon were particularly bird-like, with many shared characteristics including potentially feathers, though no feather impressions have been found with Pectinodon fossils.
How many Pectinodon fossils have been found?
Very few Pectinodon fossils have been discovered - only isolated teeth numbering fewer than a dozen specimens. This makes it one of the most poorly known dinosaurs, with much of our understanding based on comparisons with better-preserved relatives.
