Siasia, who was named stopgap following the sudden resignation of Sunday Oliseh last week, named 20 foreign-based and 22 locally based players in his provisional squad.
The local members of the team are expected to hit camp in Abuja on Sunday, 6 March 2016, ahead of their foreign counterparts, due in five days before the match.
“I want to passionately appeal to Nigerians, everybody, to show belief in the team and give us total support. It will not be easy, but if we stick together and present a united force to fight this battle, I believe we will triumph.
“I have absolute faith in the players. Nigeria is blessed with so many talented footballers across the world and I know that those we are inviting for this match will give everything for the six points in both matches. Personally, I will give everything that I have to offer for us to win both matches.”
The former Nigeria captain, who was in the same position between December 2010 and October 2011, assured that only the best players who “showed ability to run and decimate the opposition” will be given opportunity in both matches.
Nigeria has four points from two games, two shy of Egypt who sits at the summit of the group.
Goalkeepers: Ikechukwu Ezenwa (Sunshine Stars); Olufemi Thomas (Enyimba FC); Emmanuel Daniel (Enugu Rangers), Carl Ikeme (Wolverhampton Wanderers, England); Daniel Akpeyi (Chippa United, South Africa)
Defenders: Kalu Orji Okogbue (Enugu Rangers); Chibuzor Okonkwo (FC IfeanyiUbah); Mathew Etim (Enugu Rangers); Austin Oboroakpo (Abia Warriors); Sincere Seth (Rhapsody FC); Segun Oduduwa (Nath Boys); Chima Akas (Akwa United); Chris Madaki (Kano Pillars); Oke Ogogatewho (Sunshine Stars); Efe Ambrose (Celtic FC, Scotland); Abdullahi Shehu (Uniao da Madeira, Portugal); Elderson Echiejile (AS Monaco, France); Stanley Amuzie (Olhanense FC, Portugal); Godfrey Oboabona (Caykur Rizespor, Turkey); Kenneth Omeruo (Kasimpasa FC, Turkey)
Midfielders: Ifeanyi Mathew (Kano Pillars); Usman Mohammed (FC Taraba); Etebo Oghenekaro (Warri Wolves); Yau Hassan (Wikki Tourists); Stanley Dimgba (Warri Wolves), Ogenyi Onazi (SS Lazio, Italy); John Mikel Obi (Chelsea FC, England); Kelechi Iheanacho (Manchester City, England); Azubuike Okechukwu (Yeni Matalyspor, Turkey)
Forwards: Ezekiel Bassey (Enyimba FC); Prince Aggrey (Kano Pillars); Bright Onyedikachi (FC IfeanyiUbah); Chisom Chikatara (Abia Warriors); Godwin Obaje (Wikki Tourists); Ahmed Musa (CSKA Moscow, Russia); Moses Simon (KAA Gent, Belgium); Victor Moses (West Ham United, England); Aminu Umar (Osmanlispor FK, Turkey); Odion Ighalo (Watford FC, England); Aaron Samuel (CSKA Moscow, Russia); Alex Iwobi (Arsenal FC, England); Fanendo Adi (Portland Timbers, USA)