Eunotia

{{Short description|Genus of single-celled organisms}}

{{Automatic taxobox

| image = Eunotia sp.jpeg

| image_caption = Eunotia sp.

| taxon = Eunotia

| authority = Ehrenberg, 1837Ehrenberg, C.G. (1837). Über ein aus fossilen Infusorien bestehendes, 1832 zu Brod verbacknes Bergmehl von den Grenzen Lapplands in Schweden. Bericht über die zur Bekanntmachung geeigneten Verhandlungen der Königl. Preuß. Akademie der Wissenschaften zu Berlin 1837: 43-45

| subdivision_ranks = Species

| subdivision = Several, including:

• Eunotia cholnokyi
• Eunotia elegans
• Eunotia jogensis
• Eunotia montana
• Eunotia nehruii
• Eunotia patrickii
• Eunotia porcelloides
• Eunotia rivularis
• Eunotia saravathense
• Eunotia subgibba
• Eunotia sublunaris
• Eunotia tumida

| synonyms = Temachium Wallroth, 1833Physoderma. FG Wallroth Flora Crypto. Germ 4, 192, 1833

}}

Eunotia is a genus of diatoms. They are fresh water diatoms, specifically common in lakes, and they are also common in fossil records, although their siliceous wall design may have been lost and they appear plane, an example is Eunotia tetradon.