Table 1. Size and nucleotide composition of different genomic regions in 11 ascarids reported within Ascaridida.

Species	mtDNA		PCGsb		rRNAs		tRNAs		AT-region		References
	Size a	AT%	Size a	AT%	Size a	AT%	Size a	AT%	Size a	AT%
Anisakis simplex	13916	71.2	10274	69.5	1656	74.3	1208	72.4	515	87.2	Kim et al. (2006)
Ascaris suum	14284	72.0	10397	70.5	1661	74.7	1252	71.0	886	84.6	Okimoto et al. (1992)
Baylisascaris ailuri	14657	69.5	10287	67.9	1657	69.5	1241	67.0	1282	82.0	Xie et al. (2011)
Baylisascaris procyonis	14781	70.5	10289	68.6	1664	72.0	1246	69.6	1375	82.8	This study
Baylisascaris schroederi	14778	68.6	10290	67.1	1657	69.8	1241	67.3	1406	78.9	Xie et al. (2011)
Baylisascaris transfuga	14898	69.4	10290	67.6	1658	69.7	1244	67.5	1516	82.3	Xie et al. (2011)
Contracaecum rudolphii B	14022	70.4	10281	69.0	1650	72.3	1256	70.6	588	89.1	Unpublished
Toxocara canis	14163	68.3	10294	67.3	1617	69.6	1222	69.3	828	78.1	Jex et al. (2008)
Toxocara canis	14322	68.6	10308	67.2	1655	69.8	1251	68.5	975	79.5	Li et al. (2008)
Toxocara cati	14029	69.9	10284	68.8	1651	71.5	1248	70.2	711	81.3	Li et al. (2008)
Toxocara malaysiensis	14266	68.9	10297	67.8	1651	68.5	1252	70.3	936	78.4	Li et al. (2008)

^aIn base pairs.

^bAll protein-coding genes were taken into account.