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Fossil evidence for the origin of spider spinnerets
Silk production from opisthosomal glands is a defining characteristic of spiders (Araneae). Silk emerges from spigots (modified setae) borne on spinnerets (modified appendages). Spigots from Atterc...
Received 18 July 2008 04:13 GMT; Posted 21 July 2008
Posted to: Evolution and Ecology, Genetics, Earth and Environment