| Abbrev | Name | Spec | Type | Locality |
|---|---|---|---|---|
| YU12 | YU-12[1281]; | TR.DR | S | MEX |
| YU11 | YU-11[1281]; | TR.DR | S | MEX |
| YU10 | YU-10[1281]; | TR.DR | S | MEX |
| YU,1 | YUMA,AE; | TR.AE | W | USA |
| YU1 | YU-1[1281]; | TR.DR | S | MEX |
| YTRS | YAKTANA-RESTAURACAO[1281]; | TR.AE | S | MEX |
| YTR | YANTAR[1281]; | TR.AE | GBR | |
| YTP | YAKTANA-PELON[1281]; | TR.AE | S | MEX |
| YTA | YALTA[1281]; | TR.AE | I | AUS |
| YT54C | YAKTANA-54-C[1281]; | TR.AE | S | MEX |
| YT54B | YAKTANA-54-B[1281]; | TR.AE | S | MEX |
| YT54A | YAKTANA-54-A[1281]; | TR.AE | S | MEX |
| YT54 | YAKTANA-54[1281]; | TR.AE | S | MEX |
| YT53 | YAKTANA-53[1281]; | TR.AE | S | MEX |
| YT | YAKTANA[144][1281]; | TR.AE | S | MEX |
| YSU3 | YUKSEUNG-3[1281]; | TR.AE | KOR | |
| YSU | YUKSEUNG[1281]; | TR.AE | KOR | |
| YSL | YAROSLAV[1281][3733] | TR.AE | S | USSR |
| YSKY | YESILKOY[1281]; | TR.AE | TUR | |
| YS | YORKSTAR[1281]; | TR.AE | W | USA |