It is noticed that oleanane triterpenoidal saponins are characteristic constituents of this family and have taxonomic significance.

结果表明齐墩果烷型萜皂甙作为木通科特征化学成分在该科系统分类中具有一定意。

The ratios of the length to width of the propodus of the fourth leg in the three kinds of mitten crabs were identical or near to those of taxonomic samples.

螯蟹第四步足前节长宽比值，与其分类标本吻合或基本吻合。