a rearranged list:
CR 1/2 bakemono (OA 146) *humanoid
CR 1/2 centipede, spirit, least (OA 150) *outsider
CR 1/2 hengeyokai (OA 168) *shapechanger
CR 1/2 korobokuru (OA 171) *humanoid
CR 1/2 naga, shinomen, greensnake (OA 173) *humanoid
CR 1/2 nezumi (OA 178) *humanoid
CR 1/2 spirit folk (OA 192) *humanoid
CR 1/2 tasloi (OA 193) *humanoid
CR 1 centipede, spirit, lesser (OA 150) *outsider
CR 1 gaki, jiki-niku- (OA 164) *undead
CR 1 naga, shinomen, chameleon (OA 173) *humanoid
CR 1 nat, einsaung (OA 176) *fey
CR 1 nature spirit, small (OA 177) *fey
CR 1 tengu, crow-headed (OA 194) *monstrous humanoid
CR 1 toad, giant (OA 196) *beast
CR 2 bog hag (OA 147) *shapechanger
CR 2 centipede, spirit, greater (OA 150) *outsider
CR 2** dragon, wyrmling, yu lung (OA 154) **ALL OA dragons are yu lung until they reach juvenile age
CR 2 kappa (OA 169) *monstrous humanoid
CR 2 naga, shinomen, asp (OA 173) *humanoid
CR 2 tako (OA 193) *aberration
CR 2 rokuro-kubi (OA 190) *monstrous humanoid
CR 2 toad, fire (OA 196) *magical beast
CR 2 toad, poisonous (OA 196) *beast
CR 3 bajang (OA 145) *fey
CR 3 buso, tigbanua (OA 148) *monstrous humanoid
CR 3 naga, shinomen, cobra (OA 173) *humanoid
CR 3 naga, shinomen, constictor (OA 173) *humanoid
CR 3 nat, hkum yeng (OA 176) *fey
CR 3 nature spirit, medium (OA 177) *fey
CR 3 oni (shadowlands), haino no (OA 182) *outsider
CR 3 onikage (OA 188) *undead
CR 3 toad, ice (OA 196) *magical beast
CR 3 yeti (OA 199) *monstrous humanoid
CR 4** dragon, very young, yu lung (OA 154) **ALL OA dragons are yu lung until they reach juvenile age
CR 4 mamono (OA 172) *shapechanger
CR 4 gaki, shikki- (OA 164) *undead
CR 4 gaki, shinen- (OA 164) *undead
CR 4 hannya (OA 166) *monstrous humanoid
CR 4 nat, lu nat (OA 176) *fey
CR 4 wang-liang (OA 198) *giant
CR 4 yuki-on-na (OA 200) *fey
CR 5 bisan (OA 147) *fey
CR 5 hopping vampire (OA 169) *undead
CR 5 nature spirit, large (OA 177) *fey
CR 6 doc cu'o'c (OA 151) *outsider
CR 6** dragon, young, yu lung (OA 154) **ALL OA dragons are yu lung until they reach juvenile age
CR 6 gaki, jiki-ketsu- (OA 164) *undead
CR 6 tengu, human-headed (OA 194) *monstrous humanoid
CR 6 tsuno (OA 197) *monstrous humanoid
CR 7 dragon, juvenile, pan lung (OA 158)
CR 7 oni, common (OA 180) *giant
CR 8 dragon, juvenile, li lung (OA 156)
CR 8 dragon, juvenile, shen lung (OA 159)
CR 9 dragon, juvenile, chiang lung (OA 155)
CR 9 dragon, juvenile, tun mi lung (OA 162)
CR 9 dragon, young adult, pan lung (OA 158)
CR 9 oni, go-zu (OA 180) *giant
CR 9 oni (shadowlands), ashi no (OA 182) *outsider
CR 9 oni (shadowlands), sanru no (OA 182) *outsider
CR 9 dragon, young adult, pan lung (OA 158)
CR 10 dragon, juvenile, lung wang (OA 157)
CR 10 dragon, juvenile, t'ien lung (OA 161)
CR 10 dragon, young adult, li lung (OA 156)
CR 10 oni, me-zu (OA 180) *giant
CR 10 oni (shadowlands), kamu no (OA 184) *outsider
CR 10 oni (shadowlands), shikibu no (OA 184) *outsider
CR 11 dragon, young adult, shen lung (OA 159)
CR 11 dragon, adult, pan lung (OA 158)
CR 12 dragon, young adult, chiang lung (OA 155)
CR 12 dragon, young adult, tun mi lung (OA 162)
CR 12 oni (shadowlands), uglulu no (OA 184) *outsider
CR 13 dragon, young adult, lung wang (OA 157)
CR 13 dragon, young adult, t'ien lung (OA 161)
CR 13 dragon, adult, li lung (OA 156)
CR 13 oni (shadowlands), akuma no (OA 185) *outsider
CR 13 oni (shadowlands), kyoso no (OA 185) *outsider
CR 14 dragon, adult, chiang lung (OA 155)
CR 14 dragon, adult, shen lung (OA 159)
CR 14 dragon, adult, tun mi lung (OA 162)
CR 14 dragon, mature adult, pan lung (OA 155)
CR 14 oni (shadowlands), yattoko no (OA 185) *outsider
CR 14 shirokinu-katsukami (OA 191) *outsider
CR 15 dragon, adult, lung wang (OA 157)
CR 15 dragon, adult, t'ien lung (OA 161)
CR 15 dragon, mature adult, li lung (OA 156)
CR 15 hebi-no-onna (OA 167) *mostrous humanoid
CR 15 oni (shadowlands), byoki no (OA 187) *outsider
CR 15 oni (shadowlands), gekigo no (OA 187) *outsider
CR 16 dragon, mature adult, shen lung (OA 159)
CR 16 dragon, old, pan lung (OA 155)
CR 16 oni (shadowlands), tauburu no (OA 187) *outsider
CR 17 dragon, mature adult, chiang lung (OA 155)
CR 17 dragon, mature adult, tun mi lung (OA 162)
CR 18 dragon, mature adult, lung wang (OA 157)
CR 18 dragon, mature adult, t'ien lung (OA 161)
CR 18 dragon, old, li lung (OA 156)
CR 18 dragon, old, shen lung (OA 159)
CR 18 dragon, very old, pan lung (OA 159)
CR 18 ki-rin (OA 170) *magical beast
CR 19 dokufu (OA 151) *shapechanger
CR 19 dragon, old, chiang lung (OA 155)
CR 19 dragon, old, tun mi lung (OA 162)
CR 19 dragon, very old, li lung (OA 156)
CR 19 dragon, very old, shen lung (OA 159)
CR 19 dragon, ancient, pan lung (OA 155)
CR 20 dragon, old, lung wang (OA 157)
CR 20 dragon, old, t'ien lung (OA 161)
CR 20 dragon, very old, chiang lung (OA 155)
CR 20 dragon, very old, tun mi lung (OA 162)
CR 20 dragon, wyrm, pan lung (OA 155)
CR 21 dragon, very old, lung wang (OA 157)
CR 21 dragon, very old, t'ien lung (OA 161)
CR 21 dragon, ancient, li lung (OA 156)
CR 21 dragon, ancient, shen lung (OA 159)
CR 22 dragon, ancient, chiang lung (OA 155)
CR 22 dragon, ancient, tun mi lung (OA 162)
CR 22 dragon, wyrm, li lung (OA 156)
CR 22 dragon, wyrm, shen lung (OA 159)
CR 22 dragon, great wyrm, pan lung (OA 155)
CR 23 dragon, wyrm, chiang lung (OA 155)
CR 23 dragon, wyrm, tun mi lung (OA 162)
CR 24 dragon, wyrm, lung wang (OA 157)
CR 24 dragon, wyrm, t'ien lung (OA 161)
CR 24 dragon, great wyrm, li lung (OA 156)
CR 24 dragon, great wyrm, shen lung (OA 159)
CR 25 dragon, great wyrm, chiang lung (OA 155)
CR 25 dragon, great wyrm, tun mi lung (OA 162)
CR 26 dragon, great wyrm, lung wang (OA 157)
CR 26 dragon, great wyrm, t'ien lung (OA 161)
CR 1/2 bariaur (MotP 161) *outsider
CR 1 githyanki (MotP 174) *outsider
CR 1 githzerai (MotP 176) *outsider
CR 1 paraelemental, ice, small (MotP 181) *elemental
CR 1 paraelemental, magma, small (MotP 181) *elemental
CR 1 paraelemental, ooze, small (MotP 183) *elemental
CR 1 paraelemental, smoke, small (MotP 184) *elemental
CR 3 ephemera, dusk beast ( MotP 169) *outsider
CR 3 paraelemental, ice, medium (MotP 181) *elemental
CR 3 paraelemental, magma, medium (MotP 181) *elemental
CR 3 paraelemental, ooze, medium (MotP 183) *elemental
CR 3 paraelemental, smoke, medium (MotP 184) *elemental
CR 4 devil, spinagon (MotP 167) *outsider
CR 4 energon, xag-ya (MotP 168) *outsider
CR 5 energon, xeg-yi (MotP 168) *outsider
CR 5 mercane (MotP 170) *outsider
CR 5 paraelemental, ice, large (MotP 181) *elemental
CR 5 paraelemental, magma, large (MotP 181) *elemental
CR 5 paraelemental, ooze, large (MotP 183) *elemental
CR 5 paraelemental, smoke, large (MotP 184) *elemental
CR 6 demon, uridezu (MotP 164) *outsider
CR 6 yugoloth, canoloth (MotP 187) *outsider
CR 7 demon, armanite (MotP 164) *outsider
CR 7 genie, dao (MotP 173) *outsider
CR 7 paraelemental, ice, huge (MotP 181) *elemental
CR 7 paraelemental, magma, huge ( MotP 183) *elemental
CR 7 paraelemental, ooze, huge (MotP 183) *elemental
CR 7 paraelemental, smoke, huge ( MotP 184) *elemental
CR 7 yugoloth, mezzoloth (MotP 187) *outsider
CR 9 ephemera, ecalypse (MotP 169) *outsider
CR 9 devil, narzugon (MotP 167) *outsider
CR 9 genie, marid (MotP 173) *outsider
CR 9 inevitable, zelekhut (MotP 177) *construct
CR 9 paraelemental, ice, greater (MotP 181) *elemental
CR 9 paraelemental, magma, greater (MotP 183) *elemental
CR 9 paraelemental, ooze, greater (MotP 183) *elemental
CR 9 paraelemental, smoke, greater (MotP 184) *elemental
CR 10 celestial, firre (MotP 162) *outsider
CR 10 ephemera, umbral banyan (MotP 169) *huge plant
CR 11 paraelemental, ice, elder (MotP 181) *elemental
CR 11 paraelemental, magma, elder (MotP 183) *elemental
CR 11 paraelemental, ooze, elder (MotP 183) *elemental
CR 11 paraelemental, smoke, elder (MotP 184) *elemental
CR 12 celestial, leonal (MotP 162) *outsider
CR 12 inevitable, kolyarut (MotP 177) *construct
CR 13 demon, goristro (MotP 164) *outsider
CR 13 yugoloth, nycaloth (MotP 187) *outsider
CR 15 inevitable, marut (MotP 177) *construct
CR 16 yugoloth, ultroloth (MotP 187) *outsider
CR 17 astral dreadnought (MotP 159) *outsider
CR - (up to 3 HD, same as base creature) axiomatic creature (MotP 197) *magical beast
CR - (up to 3 HD, same as base creature) element creature (MotP 191) *elemental
CR 1 petitioner (MotP 199) *outsider
CR +1 (3-7 HD) axiomatic creature (MotP 197) *magical beast
CR +1 (3-7 HD) element creature (MotP 191) *elemental
CR +1 shadow creature (MotP 190) *magical beast
CR +2 (8+ HD) axiomatic creature (MotP 197) *magical beast
CR +2 (8+ HD) elemental creature (MotP 191) *elemental
CR +2 ghost (yorei) (OA 165) *undead
CR +2 half-elemental (MotP 188) *outsider
CR +2 pennaggolan (OA 189) *undead