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  1. Jacana

    Time calibration and Linnean ranks in birds

    I think Mysticete would be the first to say that this is purely a thought exercise. There are some merits to it, particularly in uncovering some non-passerine groups that could be elevated to the family level. It breaks down though with Passeriformes, I'm guessing mostly because it doesn't take...
  2. Jacana

    Time calibration and Linnean ranks in birds

    I'm also intrigued by that. From the little I've seen, Nkulengu Rail and the three Gymnocrex species are sister to the Fulica/Gallinula/Porzana clade. Splitting them off would mean making much more drastic changes to the wider Rallidae as well.
  3. Jacana

    Time calibration and Linnean ranks in birds

    It's an interesting thought exercise, which certainly uncovered some splits and lumps that really should be given more credence. Especially when we get better at doing time calibrations. Currently I'm very sceptical of their precision!
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