The graptolites: strange plankton of the past
The graptolites are one of the most puzzling groups of fossils. They formed marine colonies so closely integrated that they can fairly be described as superindividuals and their elaborately sculptured skeletal remains are widely distributed. Yet their affinity with the rest of the animal kingdom rem...
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Veröffentlicht in: | Endeavour (New series) 1989, Vol.13 (2), p.54-62 |
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Format: | Artikel |
Sprache: | eng |
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