There are six species codex entries on the Republic faction planet Coruscant. These codex entries are not required for any achievements.
An Advozse codex entry location obtained from a Guild Thug.
Codex type: Species
Codex location: Coruscant: Old Galactic Market
Codex coordinates: 2267, 908
Faction: Republic
Class: Jedi Consular - Jedi Knight - Smuggler - Trooper
Associated Achievement: None
Complete List of Codex Providers
Guild Alley Thug | Guild Crewmaster | Guild Muscle | Guild Scout | Guild Thug | Vistis Bodyguard
The Gand codex entry plaque.
Codex type: Species
Codex location: Coruscant: Old Galactic Market: Concourse
Codex coordinates: 2226, 813
Faction: Republic
Class: Jedi Consular - Jedi Knight - Smuggler - Trooper
Associated Achievement: None
The Gree codex entry plaque.
Codex type: Species
Codex location: Coruscant: Senate Plaza: Senate Tower
Codex coordinates: -1069, -4700
Faction: Republic
Class: Jedi Consular - Jedi Knight - Smuggler - Trooper
Associated Achievement: None
The Nautolan codex entry location obtained from a conversation.
Codex type: Species
Codex location: Coruscant: Old Galactic Market: Concourse
Codex coordinates: 2349, 812
Faction: Republic
Class: Jedi Consular - Jedi Knight - Smuggler - Trooper
Associated Achievement: None
Special Requirements: You must progress the mission 'For Better or Worse' to obtain this codex entry
The Sullustan codex entry datapad.
Codex type: Species
Codex location: Coruscant: Senate Plaza: Senate Commercial District
Codex coordinates: -1228, -4449
Faction: Republic
Class: Jedi Consular - Jedi Knight - Smuggler - Trooper
Associated Achievement: None
The Ugnaught codex entry datapad.
Codex type: Species
Codex location: Coruscant: Old Galactic Market: Ugnaught Workshop
Codex coordinates: 2500, 1268
Faction: Republic
Class: Jedi Consular - Jedi Knight - Smuggler - Trooper
Associated Achievement: None