| Name | Leptothrix Kützing |
| Authorship | Kützing |
| Rank | Genus |
| Placed in | Oscillatoriaceae |
| Contains | Leptothrix aeruginea Kützing Leptothrix lamellosa Kützing Leptothrix rufescens Kützing Leptothrix sp. Leptothrix tomentosa Kützing |
| Remarks | Lectotype Species: L. ochracea Kutzing (vide R. E. Buchanan, J. Bacteriol. 3: 303. Mai 1918) |
| Citation | 1843 [14-16 Sep 1843] Phycol. General. 198 |