Abstract
The phylogenetic relationship of Hexapoda has been debated for a long time, which will be resolved mainly depending on the settlement of monophyly, affinities and interrelationships among Protura, Collembola and Diplura. Mitochondrial 12sRNA gene about 355 bp fragments from one proturan species, two collembolan species, two dipluran species and one oribatid species were sequenced. The Kimura 2-parameter distances were calculated and a series of molecular phylogenetic trees were reconstructed by using the N-J method, from which the following points were drawn: (i) Protura and Collembola compose a monophyletic group representing absent-cerci; (ii) Diplura is not a monophyletic group, in which Campodeoid with filiform cerci belongs to a clade and Japygoid with pincer cerci and Ectognatha compose another clade, that is, Insecta s.str. stemmed from Japygoid. So it would be suggested that the phylogenetic relationship of Hexapoda is [Parainsecta (Collembola + Protura) +Campodeoid +Insecta (Japygoid + Ectognatha)].
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Zhang, Y., Zhang, Y., Luan, Y. et al. Phylogeny of higher taxa of hexapoda according to 12sRNA sequences. Chin.Sci.Bull. 46, 840–842 (2001). https://doi.org/10.1007/BF02900435
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DOI: https://doi.org/10.1007/BF02900435