Technology & Science: Primitive fish with butt fins shows evolution's quirks

Technology & Science Technology & Science

Primitive fish with butt fins shows evolution's quirks Apr 10th 2013, 00:34 By Tia Ghose, LiveScienceA 370-milion-year-old, primitive fish sported a weird pair of fins just below its anus, new research shows.The strange appendages, detailed Tuesday in the journal Biology Letters, were found on an ancient jawless fish called Euphanerops longaevus that lived around the time that jawless fishes like lampreys split off from jawed vertebrates, which include everything from sha... Media files: 1C6858987-suzanne-choneyBEE82C0C-6235-7840-9901-1DBDE8DE5D66.standard.jpg

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