Species
There are several species who are dominant (population) as well as who take a central role the fate of the galaxy. The rest exist, however are not large enough or simply do not take a more central role. This doesn't make them any less, they just don't 'appear' as much.
Primary Species
Akerians Aryxian Bek`kir Beta Terrans Darkarians Dragoon Fanatys Faulyn Fealyn Fuzzballs Hormidians Hyperflux Igerians Jacindare Jatz Jerrusian Mesans Metorians Mukosan Nephatsu Orrin Sauren Scipicants Terrans Verrin Weren Wraiths
Other Species
Antervens Aqiual Arachnions Avions Bak`karran Balaxians Beltaxian Brekka Carnian Carthaginian Coronians Datrians Dermiuns D`borian Extremlings Flaxians Gargoyle Grath Grrrheet Hangle Jokina Kentradentrians Kolorian Kordian Krillik Krilloan Loraxians Lurtens Malon Matrix MatriXith Nairamatans Phoenian Pollonians Poltern Prismorph Pyrran Qien Raviri Rosi` Ari Rotaran Shanti Skraine Talechdonn Tarcelli Terverrin THEY Thrakh and Thrakh-Atun Nanosymbionts Uber-Dabnn Vertonor Vex Xaitan Zamarians Zjackians