Wednesday, February 15, 2012

The largest spider fossils discovered

Largest spider fossil was found. Scientists have found fossils ofthe biggest spider ever found.

Spidersa new species called Nephila jurassica, extending about two inches from tip to tipfound in the fossil-rich rock formationnear the village of Daohugou in northeastern Chinafossils date back to the Middle Jurassicabout 165 million years ago.

The spider of the same family are still around-profitsekarang.laba female giant gold ball-weaver spiders can grow to4 or 5 inches in diameter (although males tend to be less than one-fourth the size). Spider known for large nets of silk spun goldand has been known to trap bats and small birds.

But Nephila has a surprising fossil recordNephila spider oldestfossils are about 34 million yearsThis finding means that thenew fossil spider family originated 35 million years earlier thanthoughtand that the genus Nephila is 130 million years olderthan previously thought.

The new specimen also Nephila only fossils that have not beenable dijelaskan.jurassica likely much smallerjust as they aretoday, but researchers have found one for sure.


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