A 370-milion-year-old, primitive fish sported a weird pair of fins just below its anus, new research shows. The strange appendages, detailed today (April 9) in the journal Biology Letters, were found ...
A 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 ...
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