The subfamilies of the Sibley and Monroe Sylviidae can be found at:

1. Acrocephalinae are at the Sylviidae, divided between subfamilies Acrocephalinae and Phylloscopinae.

2. Megularinae are at the Sylviidae, subfamily Megularinae.

3. Garrulacinae are included in the Timaliidae.

4. Sylviinae: The two tribes of the Sylviinae are here:

Timaliini are at the Timaliidae.
Sylviini are at the Sylviidae, in the subfamily Sylviinae.