afni.nimh.nih.gov

Hi,
Is there a file containing the labels of all areas in the aparc.a2009s+aseg_REN_gmrois.nii.gz ?
I want to create a cerebral-cortex-only gray matter mask, thus I need to remove all sub-cortex areas from the aparc.a2009s+aseg_REN_gmrois.nii.gz.

Thank you in advance!
Maya