Many of these avoided previous detection because they were too small, including goblin spiders, sea slugs and barnacles, the statement said.
声明说，这些新物种里有许多逃过了以前的考查，因为它们实在太小了，比如魔蜘蛛、海蛞蝓和藤壶。
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This image of tiny slugs won fourth place in the 2008 Nikon Small World competition for Matthew Springer of the University of California in San Francisco.