| Name | Horstia Sieminska & Kwiecinska | 
| Authorship | Sieminska & Kwiecinska | 
| Rank | Genus | 
| NomenclaturalStatus | NomLeg | 
| Placed in | Incertae sedis | 
| Contains | Horstia sp. | 
| Remarks | Fossil Diatom; Type: H. renatae Sieminska & Kwiecinska; generic name in honor of: Prof. Horst Lange-Bertalot, German Diatomist | 
| Citation | 24 Sep 2002 Acta Palaeobot. 42(1): 4 |