No problem.
My guess is because they aren't that common around Ivalice.And they only appear in indivual areas.For example:
ZOMG!!!!11!!!1Spoilers about the Lesser Races
The Oquiela-The immortal gods of Ivalice.
The Baknamus-Live in the ruins of the fallen fortress,Nabduis.
The Garif-Live only in the Giza Plains
The Helga-Tall,silver haired elves with spiritual connections.I don't even know much about them...
The Rebe-Assistants to the Judges of Galtea (Ivalice via FFXII)
Ultan Yensa-Thin,cat-like,arrogant race.Known as the "Kings of the Sandseas" and live only in the Ordailian deserts (Nham and Ogir Yensa Sandseas)