| # | Species | Formula |
| 6364 | Lanthanum, cation | La | |
| 6365 | Lanthanum, atom | La | |
| 6366 | Trimethyl lanthanum (Geo) | C3H9La | |
| 6367 | Trimethyl lanthanum | C3H9La | |
| 6368 | Tricyclopentadienyl lanthanum(III) | C15H15La | |
| 6369 | Lanthanum(II) tetracyanide 2E | C4N4La | |
| 6370 | La(II)(NH3)6 | H18N6La | |
| 6371 | La(II)(NH3)6 (Geo) | H18N6La | |
| 6372 | Lanthanum complex, CCDC: XONXUT (Geo) | C45H33N9La | |
| 6373 | Lanthanum complex, CCDC: ZAZQAS (Geo) | C76H44N12La | |
| 6374 | Lanthanum complex, CCDC: ZEHTUB (Geo) | C64H32N16La | |
| 6375 | Lanthanum complex, CCDC: TUPWEG (Geo) | C72H40N16La | |
| 6376 | Lanthanum complex, CCDC: EGOBAD (Geo) | C27H30B3N18La | |
| 6377 | La(III)(Cp)3O (PEWXUK) (Geo) | C21H27O2La | |
| 6378 | Lanthanum complex, CCDC: NEHDAF (Geo) | C26H42N8O2La | |
| 6379 | Lanthanum complex, CCDC: NAVCOC (Geo) | C30H44B2N13O3La | |
| 6380 | Lanthanum complex, CCDC: PIBGOW (Geo) | C20H40N8O4La | |
| 6381 | Lanthanum complex, CCDC: ZIDSOX (Geo) | C44H67O5La | |
| 6382 | Lanthanum complex, CCDC: LAPTEB10 (Geo) | C62H55O5La | |
| 6383 | Lanthanum complex, CCDC: ZEJFOJ (Geo) | C24H26N4O5La | |
| 6384 | Lanthanum(III) hexaquo (Geo) | H12O6La | |