The Myriapoda are polyphyletic. 2.The Chilopoda appears to be sister to a clade containing the Insecta and Crustacea, but with low bootstrap support.

2、唇足纲、昆虫和壳动，其中昆虫与壳类为一，与唇足纲构成姊妹群关系, 但是持率不高。