The creatures that time forgot.
| Autor: | Zalasiewicz, Jan, Rigby, Sue |
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| Zdroj: | New Scientist; 12/18/93, Vol. 140 Issue 1904, p38, 3p, 5 Color Photographs |
| Abstrakt: | Reports on efforts to explain the fossils of graptolites. Colonies of filter-feeding animals; Leap into open ocean; Remnants of colony structures; Discovery of living graptolites; Resemblance to pterobranch zooids; Result of scanning electron microscope study; Skepticism and debate. INSET: Floating and feeding.. |
| Databáze: | Complementary Index |
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