Table 2.

The compositional bias (GC content) and 1st, 2nd, and 3rd codon position nucleotide alignments.

	Taxa
Nucleotide composition	Tylenchidae	Criconematina	Hoplolaimina
GC	28.72	22.54	29.42
GC 1st	39.80	28.07	38.82
GC 2nd	35.14	35.07	36.61
GC 3rd	11.23	4.48	12.84