| Abbrev | Name | Spec | Type | Locality |
|---|---|---|---|---|
| YUAN3 | YUAN-3[1281]; | TR.DR | S | MEX |
| YUAN4 | YUAN-4[1281]; | TR.DR | S | MEX |
| YUAN5 | YUAN-5[1281]; | TR.DR | S | MEX |
| YUAN | YUAN-YANG[3692]; | TR.DR | S | MEX |
| UB | YUBILEINA[1281]; | TR.AE | BGR | |
| YUG | YUGOSLAVIA[1281]; | TR.AE | TK | |
| YKS | YUKSEON[1281]; | TR.AE | KOR | |
| YSU3 | YUKSEUNG-3[1281]; | TR.AE | KOR | |
| YSU | YUKSEUNG[1281]; | TR.AE | KOR | |
| YUN | YUN-78-11[1281]; | TR.AE | CHN | |
| YKW | YUNG-KWANG[1281]; | TR.AE | KOR | |
| YUYA | YUUYAKE-KOMUGI[1281]; | TR.AE | JPN | |
| YUXI10 | YUXI-10[1281]; | TR.AE | ||
| YYM | YUYIMAI[1281]; | TR.AE | CHN | |
| ZA56 | ZA-56[1281]; | TR.AE | SUN | |
| ZA75ZP | ZA75.ZP[1281]; | TR.AE | ZWE | |
| ZGR | ZAGORE[1281]; | TR.AE | BGR | |
| ZAGU | ZARAGURO[1281]; | TR.AE | ||
| ZAR10 | ZARAPITIN-10[1281]; | TR.DR | S | MEX |
| ZAR11 | ZARAPITIN-11[1281]; | TR.DR | S | MEX |