Hulsanpes Facts
Pronunciation: HOOL-san-pees
Name meaning: Hulsan foot (named after Khulsan, the locality where it was found)
| Diet | Carnivore |
| Height | 0.3m |
| Length | 0.6m |
| Weight | 500 g |
| Environment | Land |
| Era | Cretaceous |
| Period | Late Cretaceous |
| Type | Theropod |
| Location | Mongolia |
Hulsanpes was a small theropod dinosaur that lived during the Late Cretaceous period, approximately 75-72 million years ago, in what is now Mongolia. This diminutive predator roamed the ancient landscapes of the Barun Goyot Formation, where its fossilised remains were discovered in 1970 and later described by Polish palaeontologist Halszka Osmólska in 1982.
As a member of the Halszkaraptorinae subfamily, Hulsanpes represents an important evolutionary link in understanding early theropod development. The known specimen appears to be from a juvenile individual, making it challenging to determine the full adult size, though estimates suggest it was quite small even when fully grown. Like other theropods of its group, Hulsanpes was bipedal and possessed the characteristic sickle-shaped claws typical of its family.
This carnivorous dinosaur likely fed on small prey including insects, small reptiles, and possibly fish, using its sharp teeth and claws to capture and process food. The desert-like environment of the Late Cretaceous Barun Goyot Formation would have provided various hunting opportunities for this agile predator.
Hulsanpes holds particular scientific significance as it represents the first recognised member of the Halszkaraptorinae subfamily, helping palaeontologists better understand the diversity and evolution of small theropod dinosaurs during the Late Cretaceous period in Asia.
What made Hulsanpes distinctive?
Hulsanpes was distinguished by its very small size and the characteristic sickle-shaped claws on its feet typical of its theropod group. The known fossil material shows features consistent with other halszkaraptorine theropods, though its juvenile nature makes some distinguishing characteristics difficult to assess.
Behaviour
As a small carnivorous theropod, Hulsanpes likely was an active hunter, using its speed and agility to catch small prey. The desert environment of its habitat suggests it may have been well-adapted to arid conditions and opportunistic feeding behaviours.
Hulsanpes FAQ
What did Hulsanpes eat?
Hulsanpes was a carnivore that likely fed on small prey such as insects, small reptiles, and possibly fish. Its sharp teeth and claws were well-suited for catching and processing small animals in its desert-like environment.
How big was Hulsanpes?
Hulsanpes was very small, estimated to be about 30 centimetres tall at the hip and 60 centimetres long, weighing approximately 500 grams. However, these estimates are based on what appears to be a juvenile specimen, so adults may have been somewhat larger.
When did Hulsanpes live?
Hulsanpes lived during the
Late Cretaceous period, approximately 75-72 million years ago. This was towards the end of the age of dinosaurs, well before their extinction 66 million years ago.
Where was Hulsanpes found?
Hulsanpes fossils were discovered in Mongolia, specifically in the Barun Goyot Formation. The remains were found in 1970 in sediments that represent an ancient desert environment from the
Late Cretaceous period.
How do you pronounce Hulsanpes?
Hulsanpes is pronounced 'HOOL-san-pees'. The name comes from Khulsan (also spelled Hulsan), the locality in Mongolia where it was discovered, combined with the Latin word 'pes' meaning foot.
What does Hulsanpes mean?
Hulsanpes means 'Hulsan foot', named after Khulsan, the locality in Mongolia where the fossil was found. The name refers to the distinctive foot bones that were part of the original discovery.
How fast could Hulsanpes run?
The running speed of Hulsanpes is not well established due to limited fossil material. However, as a small, bipedal theropod with long legs relative to its body size, it was likely quite agile and capable of quick movements to catch prey and avoid predators.
What type of dinosaur was Hulsanpes?
Hulsanpes was a theropod dinosaur, specifically belonging to the Dromaeosauridae family and the Halszkaraptorinae subfamily. It was a small, bipedal carnivorous dinosaur with sickle-shaped claws typical of its group.
Was Hulsanpes related to birds?
Yes, as a theropod dinosaur, Hulsanpes was part of the same major group that gave rise to modern birds. Theropods are the direct ancestors of birds, though Hulsanpes itself was not on the direct line to modern birds but rather a side branch of theropod evolution.
How many Hulsanpes fossils have been found?
Only one Hulsanpes specimen has been formally described, discovered in 1970 in Mongolia. This specimen appears to represent a juvenile individual, which limits our understanding of the full adult characteristics of this dinosaur species.
