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A 'trilobite Pompeii': Perfectly preserved fossils of ancient sea critters found buried in volcanic ash
This is largely because the trilobite exoskeleton was made of a mineral called calcite, which fossilized very easily. However, fossils showing soft body parts of these creatures, such as the ...
Natural History Museum%2c London7mon
Sort and compare: Trilobite evolution evidence
What are some similarities in shape or details of body parts? 4. Take one order of trilobites and arrange according to their age. Have any characteristics changed over time? Learners can reinforce ...