
A remarkable pterosaur fossil discovered in China has provided scientists with unprecedented insights into the dietary habits of these prehistoric flying reptiles. The exceptionally well-preserved specimen, found in the Liaoning Province, contains stomach contents that reveal the creature's last meal.
A Window into Prehistoric Ecosystems
The fossil, dating back approximately 120 million years to the Early Cretaceous period, belongs to a species called Sinopterus dongi. What makes this discovery particularly significant is the presence of preserved stomach contents - a rare occurrence in pterosaur fossils.
Dietary Revelations
Analysis of the fossil's gut contents revealed:
- Fish remains
- Crustacean fragments
- Possible small vertebrate bones
This diverse diet suggests these flying reptiles were opportunistic feeders rather than specialists, adapting their feeding habits to available food sources.
Preservation Breakthrough
The exceptional preservation of this specimen is attributed to the fine-grained sedimentary deposits in Liaoning Province, known for producing fossils with extraordinary soft-tissue details. Researchers used advanced imaging techniques to study the stomach contents without damaging the fossil.
Implications for Pterosaur Research
This discovery challenges previous assumptions about pterosaur feeding behaviours and provides crucial evidence for understanding their role in ancient ecosystems. The findings suggest these creatures played a more varied ecological role than previously thought.
Further study of this specimen may reveal more about the hunting strategies and digestive systems of these fascinating prehistoric flyers.