Microhadrosaurus Facts
Pronunciation: MY-crow-had-row-SORE-us
Name meaning: Small duck lizard
| Diet | Herbivore |
| Height | 1m |
| Length | 3m |
| Weight | 200 kg |
| Environment | Land |
| Era | Cretaceous |
| Period | Late Cretaceous |
| Type | Ornithopod |
| Location | China |
Microhadrosaurus was a small ornithopod dinosaur that lived during the Late Cretaceous period, approximately 72.2 million years ago in what is now southern China. Despite its name meaning 'small duck lizard', this dinosaur's true adult size remains a mystery, as all known fossils come from juvenile specimens discovered in the Nanxiong Formation of Guangdong Province.
As an ornithopod, Microhadrosaurus belonged to the duck-billed dinosaur group, characterised by their distinctive flat, broad snouts and complex dental batteries perfect for grinding tough plant material. These dinosaurs were well-adapted herbivores that could move both on two legs when running and on all fours when feeding on low-growing vegetation.
The juvenile specimens of Microhadrosaurus suggest it had the typical ornithopod body plan, with strong hind legs, smaller front limbs, and a long tail for balance. Like other members of its group, it would have possessed hundreds of small, tightly-packed teeth arranged in dental batteries that continuously replaced themselves as they wore down from constant plant processing.
The classification of Microhadrosaurus remains uncertain due to the juvenile nature of the fossil material. Without adult specimens for comparison, palaeontologists cannot definitively determine whether these remains represent a genuinely small species or simply young individuals of a larger, already-known ornithopod species.
What made Microhadrosaurus distinctive?
Based on juvenile remains, Microhadrosaurus appears to have had the typical duck-billed snout and dental arrangement of ornithopods. Its small size may reflect its juvenile status rather than being a distinguishing adult feature.
Behaviour
As a juvenile ornithopod, Microhadrosaurus would likely have stayed close to adult members of its herd for protection from predators. It probably fed on softer plant materials that were easier for its developing dental batteries to process.
Discovery
Microhadrosaurus was first described by Zhao Xijin in 1979. The original fossils were discovered at Nanxiong Formation, Guangdong Province, China.
Microhadrosaurus FAQ
What did Microhadrosaurus eat?
Microhadrosaurus was a herbivore that fed on plants. As a juvenile, it would have eaten softer vegetation like ferns, young shoots, and tender leaves that were easier for its developing teeth to process than the tougher plants adult ornithopods could handle.
How big was Microhadrosaurus?
The known specimens suggest a length of about 3 metres and height of 1 metre, weighing approximately 200 kilograms. However, these measurements are based on juvenile remains, so the adult size remains completely unknown and could have been much larger.
When did Microhadrosaurus live?
Microhadrosaurus lived during the
Late Cretaceous period, approximately 72.2 million years ago, towards the end of the age of dinosaurs.
Where was Microhadrosaurus found?
Microhadrosaurus fossils were discovered in the Nanxiong Formation in Guangdong Province, southern China, in rocks dating to the
Late Cretaceous period.
How do you pronounce Microhadrosaurus?
Microhadrosaurus is pronounced MY-crow-had-row-SORE-us, with emphasis on the first and last syllables.
What does Microhadrosaurus mean?
Microhadrosaurus means 'small duck lizard' in Greek and Latin, referring to its presumed small size and the duck-like bill typical of ornithopod dinosaurs.
How fast could Microhadrosaurus run?
The running speed of Microhadrosaurus is unknown. As juveniles, they would likely have been quite fast to escape predators, but without adult specimens, it's impossible to estimate their mature locomotive abilities.
What type of dinosaur was Microhadrosaurus?
Microhadrosaurus was an ornithopod dinosaur, specifically a member of the duck-billed dinosaur group (Hadrosauridae). These were herbivorous dinosaurs known for their distinctive flat snouts and complex tooth arrangements.
Was Microhadrosaurus related to birds?
Microhadrosaurus was not closely related to birds. As an ornithopod, it belonged to a different major dinosaur group than the theropods from which birds evolved. However, all dinosaurs, including ornithopods, share common ancestry with birds.
How many Microhadrosaurus fossils have been found?
Only a limited number of Microhadrosaurus fossils have been discovered, all representing juvenile specimens from the original discovery site in China. The scarcity of remains contributes to the uncertainty about its classification.
