Human- characters like Marche. Capable of being most jobs: Fighters, mages, thief, archer etc
Moogles- duh
Viera- most noticable feature is the rabbit like ears. Most likely jobs: red mage, archer, summoner
Nu Mou- A strange creature, looks quite short. Only race capable of being a beast master or alchemist. Good mages.
Bangaa- They appear to be "large bipidal lizards"- a walking lizard then. Good fighters.