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An Evolutionary Breakthrough: The Discovery of a "Fingered" Fish
Two fossil-hunting paleontologists named Ted Daeschler and Neil Shubin from North central Pennsylvania discovered a fossil of a fish with fingers in its fins. |
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Ancient Walking Whales Shed Light on Ancestry of Ocean Giants
Scientists have found fossil skeletons of two new species of primitive whales with well-developed limbs, fingers, and toes-supporting genetic evidence that hippos are the closest modern land-dwelling relatives to the giants of the sea. |
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Bryozoans
The animals live in colonies of hundreds of individuals (zooids) which secrete cylinders of lime about 2 mm long in which their soft parts are enclosed.
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Crinoids
These animals, sometimes called 'sea lilies', are actually primitive echinoderms, and so are related to sea stars, sea cucumbers and sea urchins. |
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