| Abbrev | Name | Spec | Type | Locality |
|---|---|---|---|---|
| YT54C | YAKTANA-54-C[1281]; | TR.AE | S | MEX |
| YTA | YALTA[1281]; | TR.AE | I | AUS |
| YTP | YAKTANA-PELON[1281]; | TR.AE | S | MEX |
| YTR | YANTAR[1281]; | TR.AE | GBR | |
| YTRS | YAKTANA-RESTAURACAO[1281]; | TR.AE | S | MEX |
| YU1 | YU-1[1281]; | TR.DR | S | MEX |
| YU,1 | YUMA,AE; | TR.AE | W | USA |
| YU10 | YU-10[1281]; | TR.DR | S | MEX |
| YU11 | YU-11[1281]; | TR.DR | S | MEX |
| YU12 | YU-12[1281]; | TR.DR | S | MEX |
| YU13 | YU-13[1281]; | TR.DR | S | MEX |
| YU14 | YU-14[1281]; | TR.DR | S | MEX |
| YU15 | YU-15[1281]; | TR.DR | S | MEX |
| YU16 | YU-16[1281]; | TR.DR | S | MEX |
| YU17 | YU-17[1281]; | TR.DR | S | MEX |
| YU2 | YU-2[1281]; | TR.DR | S | MEX |
| YU,2 | YUMA,DR; | TR.DR | S | USA |
| YU3 | YU-3[1281]; | TR.DR | S | MEX |
| YU4 | YU-4[1281]; | TR.DR | S | MEX |
| YU5 | YU-5[1281]; | TR.DR | S | MEX |