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Keyword: oligocene

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  • Fossil Shows Fish Had Sucker On Its Back

    07/28/2013 3:14:40 AM PDT · by SunkenCiv · 12 replies
    Science Daily ^ | July 26, 2013 | University of Oxford
    'The remora sucker is a truly amazing anatomical specialisation but, strange as it may seem, it evolved from a spiny fin,' said Dr Matt Friedman of Oxford University's Department of Earth Sciences, lead author of the report. 'In this fossil the fin is clearly modified as a disc but is found on the back of the fish. It enables us to say that first fin spines on the back broadened to form wide segments of a suction disc. After the disc evolved, it migrated to the skull, and it was there that individual segments became divided in two, the number...