Shifting Baselines

Jellyfish Fossils

Researchers just published their discovery of four types of well-preserved fossil jellyfish in the open-access journal PLoS ONE (go Bora). The jellies are from about a half a billion years ago and not much seems to have changed in their physiology. Utah, of course, is no longer under the sea. See if you prefer this image from the journal:


Or this image from The New York Times:



  1. #1 Libby Hyman
    November 7, 2007

    How utterly spineless.

  2. #2 Jennifer L. Jacquet
    November 7, 2007
  3. #3 Traci
    November 7, 2007

    all good things come from Utah.

  4. #4 getnutri
    April 8, 2008

    Nice posts keep it up

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