A golden orb-weaver spider (Araneae: Nephilidae: Nephila) from the Middle Jurassic of China
2011
A golden orb-weaver spider from the Middle Jurassic of China
publication
Evidence: moderate
Author Information
Author(s): Selden Paul A., Shih ChungKun, Ren Dong
Primary Institution: College of Life Sciences, Capital Normal University
Hypothesis
The study aims to describe a new species of fossil spider and its implications for the evolutionary history of the Nephila genus.
Conclusion
The discovery of Nephila jurassica sp. nov. extends the fossil record of the Nephila genus by approximately 130 million years.
Supporting Evidence
- The new species extends the fossil record of the Nephila genus by approximately 130 million years.
- Nephila jurassica is only the second female fossil nephilid to be described.
- The find suggests that the palaeoclimate was warm and humid during the Middle Jurassic.
- This giant fossil orb-weaver provides evidence of predation on medium to large insects.
Takeaway
Scientists found a really old spider that lived a long time ago, which helps us understand how spiders evolved.
Methodology
The specimen was studied, drawn, and photographed under different lighting conditions to enhance contrast.
Limitations
Only one female specimen was found, limiting the understanding of sexual dimorphism.
Digital Object Identifier (DOI)
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