| # | Species | Formula |
| 8012 | Tl(III)O8(-) (THACTH) | C8H12O8Tl | |
| 8013 | Thallium(III)(EDTA) (Geo) | C10H12N2O8Tl | |
| 8014 | Thallium(III)(EDTA) | C10H12N2O8Tl | |
| 8015 | Thallium fluoride | FTl | |
| 8016 | Thallium fluoride (TlF) (Geo) | FTl | |
| 8017 | [Tl(III)F(H2O)5](2+) | H10O5FTl | |
| 8018 | [Tl(III)F(H2O)5](2+) (Geo) | H10O5FTl | |
| 8019 | trans-Tl(III)F2(H2O)4(+) | H8O4F2Tl | |
| 8020 | trans-Tl(III)F2(H2O)4(+) (Geo) | H8O4F2Tl | |
| 8021 | Tl(I)O6F3 (EMAPAJ) (Geo) | C12H24O6F6PTl | |
| 8022 | Tl(I)S2 (MDTCTL) (Geo) | C3H6NS2Tl | |
| 8023 | Tl(I)S2 (MDTCTL) | C3H6NS2Tl | |
| 8024 | Tl(I)S3(+) (SITYAV) (Geo) | C6H12S3Tl | |
| 8025 | Tl(I)S3(+) (SITYAV) | C6H12S3Tl | |
| 8026 | Tl(III)O3S3 (JIVQEK) (Geo) | C15H12N3O3S3Tl | |
| 8027 | Tl(III)O3S3 (JIVQEK) | C15H12N3O3S3Tl | |
| 8028 | Tl(III)S4(-) (TUBMIM) (Geo) | C12H8S4Tl | |
| 8029 | Tl(III)S4(-) (TUBMIM) | C12H8S4Tl | |
| 8030 | Tl(III)S6 (MSCTHL) (Geo) | C9H18N3S6Tl | |
| 8031 | Tl(III)S6 (MSCTHL) | C9H18N3S6Tl | |
| 8032 | Thallium chloride, cation | ClTl | |