A 430-million-year-old fossil has pushed the origin of leeches again by greater than 200 million years, revealing that these historical creatures started as marine hunters, not bloodsuckers. Found in Wisconsin’s Waukesha biota, the uncommon fossil preserves a tail sucker however lacks the ahead sucker utilized by trendy leeches to pierce pores and skin. This means early leeches […]
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The Oldest Leech Ever Found Is Nothing Like Today’s Bloodsuckers
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