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Bumastus barriensis (Murchison), Illaenus barirensis (Murchison)
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A specimen of Bumastus barriensis collected from the ventilation shaft for the Malvern railway tunnel excavations by Dr Grindrod in 1865. These excavation proved the existance of Silurian rocks beneath the Malverns and helped geologists to understand the complex faulting and folding that had occured in the formation of the Malvern Hills. Bumastus barriensis has a head and tail almost the same size and is adapted to live on muddy sediment. Trilobites ('three-lobes') are a fossil group of extinct marine arthropods. They first appear in the fossil record during the early Cambrian period. By this time they were already highly diverse and geographically dispersed. Because trilobites had wide diversity and an easily fossilized exoskeleton an extensive fossil record was left, with some 17,000 known species spanning Paleozoic time. Trilobites had many life styles; some moved over the sea-bed as predators, scavengers or filter feeders and some swam feeding on plankton. Trilobites have provided important contributions to biostratigraphy, paleontology, evolutionary biology and plate tectonics.
| Details | |
|---|---|
| Accession Number | G995 |
| Date | 439000000BC - 409000000BC |
| Period | Silurian |
| Collection | Geology |
| Technique | |
| Creator | |
| Name | |
| Locality | Worcester |
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