Jurassic Spider from China Is Largest Fossil Specimen Discovered

ScienceDaily (Apr. 22, 2011) — With a leg span of more than five inches, a recently named Jurassic period spider from China is the largest fossil specimen discovered, and one that has modern relatives in tropical climates today.

A research team of KU and Capital Normal University (Beijing) researchers said the spider belongs to the living genus Nephila, or golden orb-weavers. An extremely long range for any animal genus, the nephilids are example of living fossils. Nephilids are the largest web-weaving spiders alive today (body length up to 5 cm, leg span 15 cm) and are common to the tropical and subtropical regions today. This suggests that the paleoclimate of Daohugou, China, where the specimen was found, was probably similarly warm and humid during the Jurassic.

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