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Funnel-web weavers are 5-20 mm in size, usually a little more than a centimeter. They are grey-brown in color, occassionally slightly reddish. Their spinnerets may be long enough to be clearly seen from above, protruding finger-like behind the animal's silhouette. They make non-sticky sheet webs with a funnell-shaped retreat off to one side. Of the roughly fifty species known from California, most are in the genus Hololena, but four other genera also occur here.
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