Among the opposing representations, 27 proposed alternative arrangements including pairing Aberafan Maesteg with Bridgend and pairing Rhondda and Ogmore with Merthyr Tydfil and Aberdare or Pontypridd.
Ymhlith y cynrychiolaethau yn erbyn y cynnig, cynigiodd 27 drefniadau amgen gan gynnwys paru Aberafan Maesteg â Phen-y-bont ar Ogwr a pharu Rhondda ac Ogwr â Merthyr Tudful ac Aberdâr neu Bontypridd.