NANFA-- more on Shireen's distant relative

Christopher Scharpf (
Wed, 19 Jan 2000 14:56:00 -0400

>Newly found fossils suggest that we're much more shark-like than
>we'd perhaps care to countenance. Reporting in the 13 January
>issue of Nature (403, 185 (2000)) Alison Basen of Macquarie
>University in Australia and colleagues describe the partial skull of
>a 400-million-year-old fossil fish discovered in southeastern
>Australia. It is one of the earliest known specimens of a
>ray-finned fish (or indeed of a bony fish of any kind). It offers a
>window on what our remotest ancestor among the bony fishes
>might have looked like. A report in Nature Science Update on 13
>January at asks
>Could it be that sharks are more advanced, highly evolved
>vertebrates, and that bony fishes are primitive left-overs. This
>would turn conventional wisdom on its head and horrify most

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