This is a roster of all officially confirmed creatures in the Star Wars Saga. Here is my website where this info came from:
http://swaliens.homestead.com/main.html

CREATURES - Homeplanet - Episode
ACKLAY - Vendaxa - II
AIWHA - Naboo / Kamino - II
ANGELS / DIATHIM - Iego - I (mentioned)
BANTHA - Tatooine, e.a. - I II IV VI
BLASE TREE GOAT - ENDOR - Ewok Cartoons
BLURRG - Endor - Battle for Endor
BOAR-WOLF - Endor - Caravan of Courage
BOGWING - Dagobah - V VI
BORDOK - Endor - Ewok Cartoons
BRUISE-LEECH CRAWLER - Nelvaan - CW
CAN-CELL - Kashyyyk - III
CHURI - Endor - IV (schedel)
COLO CLAW FISH - Naboo - I
CONDOR DRAGON - Endor - Battle for Endor
CONDUIT WORM - Coruscant - II (*)
CORRINA - Endor - Ewok Cartoons
DACTILLION - Utapau - III
DAGGERT - Naboo - I
DEWBACK - Tatooine - I IV
DIANOGA - Vodran - IV
DOO - Naboo - I
DRAGONSNAKE - Dagobah - V
DUCKS - Naboo - I
DURACRETE SLUG - Coruscant - II (*)
DURKII - Unknown - DC
EWOK PONY - Endor - Caravan of Courage
EOPIE - Tatooine - I II III
FAA (FAYNAA) - Naboo - I
FALUMPASET - Naboo - I
FAMBAA - Naboo - I
FIRE-EYED PILLBUG - Dagobah - III (deleted scene)
FROSH - Endor - Ewok Cartoons
GELAGRUB - Felucia - III
GHYYYK - Clak'Dor VII - IV
GINNTHO - Utapau - III
GONDAR - Unknown - VI (tanden)
GORG - Tatooine - I
GOORL - Unknown - DC
GRANTALOUPE - Kashyyyk - CW 2
GRIMTAASH - Unknown - IV
GUALAAR - Naboo - III
GUAPA - Endor - Ewok Cartoons
GUNDARK - Vanqor - II V (mentioned)
GURRECK - Endor - VI (schedel)
HANADAK - Endor - Ewok Cartoons
HORAX - Nelvaan - CW 2
HOUJIX - Kiniyen - IV
ICHTYODONT - Mud Moon of Panna - HS
IKOPI - Naboo - I
JERBA - Tatooine - IV VI
JUNGLE RANCOR - Unknown - TCW
KAADU - Naboo - I
KEELKANA - Mon Calamari - CW
KINTAN STRIDER - Kintan - IV
K'LOR SLUG - Noe'Ha'On - IV
KLEEX - Tammuz-an (?) - CW
KOUHON - Induomodo - II
KRAYT DRAGON - Tatooine - IV
KWAZEL MAW - Rodia - TCW
KYBUCK - Kashyyyk - CW 1 & 2
LAA - Naboo - I
LANTERN BIRD - Endor - Ewok Cartoons
LAVA FLEA - Mustafar - III
MAKANT - Endor - Ewok Cartoons
MANTIGRUE - Endor - Ewok Cartoons
MASSIFF - Geonosis / Tatooine - I
MIRIDON - Tarnoonga - DC
MOGO - Roon - DC
MONNOK - Soccoro - IV
MOTT - Naboo - I
MUNYIP - Endor - Ewok Cartoons
MUPPLES - Roon (?) - DC
MYNOCK - Ord Mynock (?) - V
NEBRAY MANTA - Kaliida Nebula - TCW
NERF - Alderaan - V (mentioned)
NEXU - Cholganna - II
NG'OK - Unknown - IV
NOS (1) - Utapau - III
NUDJ - Dagobah - V
NUNA - Naboo / Tatooine - I II
OPEE SEA KILLER - Naboo - I
ORRAY - Geonosis - II
PEKO PEKO - Naboo - I
PIKOBIS - Naboo - I
PULGA - Endor - CoC
PYLAT BIRD (1) - Neimoidia - I
RAKAZZAK - Endor - Ewok Cartoons
RANCOR - Dathomir - VI
RAY - Naboo - I
REARING SPIDER - Endor - CoC
REEK - Codian Moons - II
ROCKHOPPER - Roon / Biitu - DC
ROCK WART - Tatooine - VI
ROGA (1) - Geonosis - II
ROGGWART - Vassek (?) - TCW
RONTO - Tatooine - I IV
RUHAU-WHALE - Utapau - III (beenderen)
SAND SLOTH - Annoo - DC
SANDO AQUA MONSTER - Naboo - I
SARLACC - Tatooine - VI
SCURRIËR - Tatooine - II IV
SEE - Naboo - I
SHAAK - Naboo - I II
SHAMUNAAR - Roon - DC
SLEEN - Dagobah - V
SOWSQUATCH - Unknown - CW
SPOTTED JUGGADOO - Dandelo - DC
SPACE SLUG - Unknown - V
STONE MITE - Coruscant - II (*)
SUNGWA - Bogden - DC
TAUNTAUN - Hoth - V VI
TEE - Naboo - I
TEEK - Endor - Battle for Endor (semi intelligent)
TEMPTOR - Endor - Battle for Endor
TESSELATED ARBOREAL BINJINPHANT - Unknown - DC
VARACTYL - Utapau - III
VINE SNAKE - Dagobah - III
WAMPA - Hoth - V CW 1
WOMP RAT - Tatooine - IV (mentioned)
WORRT - Tatooine - VI
YAYAX - Endor - Ewok Cartoons

Unknown:
EWOK BAIT - Endor - VI
EWOK IGUANA - Endor - VI
FELUCIA BIRDS - Felucia - III
DUNGEON RATS - Tatooine - VI
MINIATURE CAN-CELL - Dagobah - III (deleted)
MINIATURE GELAGRUB - Dagobah - III (deleted)
MINIATURE UTAPAU SPIDER - Dagobah - III (deleted)
MUUNILINST CREATURE - MUUNILINST - CW
NELVAANIAN CREATURE - NELVAAN - CW
SALEUCAMI BIRDS - Saleucami - III

(1) Cut from movie
(*) Created for Visual Dictionary