Table 2.

External data used in this study.

Resource	Source	Database	Identifier
Human 6-week and placenta RNA, methylomes	Li et al. [28]	GSA	CRA000114
Human oocyte RNA	Yan et al. [54]	GEO	GSE36552
Zebrafish methylomes	Jiang et al. [14]	GEO	GSE44075
Mouse methylomes	Wang et al. [18]	GEO	GSE56697
Ctenophore methylome	Emily et al. [29]	SRA	SRR1981481
Oyster methylome	Wang et al. [35]	GEO	GSE40302
Silkworm methylome	Xiang et al. [32]	GEO	GSE18315
Ant methylome	Bonasio et al. [30]	GEO	GSE31577
Marbled crayfish methylome	Fanny et al. [34]	GEO	GSE112411
Wasp methylome	Wang et al. [31]	GEO	GSE43423
Chicken methylome	Mugal et al. [36]	GEO	GSE56639
Beetle methylome	Song et al. [33]	GEO	GSE 84253