这是因为古生物学的核心就是将过去和现在的生物相互对比。
This is because, at its core, palaeontology works by comparing past and present organisms with each other.
法国解剖学家，对比解剖学、古生物学的著名创始者。
French anatomist, celebrated as the founder of comparative anatomy and paleontology.
概要的总结了东北区中生代地层中古生物群，以及它们在岩石地层单位中的分布，借以说明岩石地层的时代，为地层多重划分对比提供了依据。
The Mesozoic biota and their distribution in lithostratigraphic units in northeastern China are summed up to suggest the age of the units and to be the basin for multiple classification of strata.
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