The diplopoda , pauropoda , symphyla and hexapoda ( protura , diplura ) clustered to a clade . the cluster of symphyla plus diplura is significantly supported . whereas the classification status of pauropoda remains uncertain 3 、倍足纲、综合纲、少足纲、原尾目、双尾目聚为一支；显著地支持综合纲与双尾目为姊妹群关系；少足纲地位有待于进一步的研究。
2.
This research reviewed the relationships of the myriapods to other arthropoda , based on morphological and molecular sequence data and the studies of developmental biology . the review was followed the major controversies in the higher - level phylogeny of myriapods . the complete 18s rrna sequences of four groups of myriapoda plus hexapoda ( protura , diplura , insecta ) and crustacea were used for phylogenetic study 本研究首先从形态学性状、分子性状( dna和蛋白质)以及结合形态和分子性状、发育生物学的研究等方面对多足类动物与其他节肢动物之间的亲缘关系进行了综述，同时对多足类的系统发生研究进行了综述。
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