| brazil | | encyonema silesacum | species | 1 | 0 |
| canada | ontario | cymbella sp. kel-2015 | species | 1 | 0 |
| canada | ontario | cymbopleura subcuspidata | species | 1 | 0 |
| china | | cymbella cistuliformis | species | 1 | 0 |
| faroe islands | | encyonema silesacum | species | 1 | 0 |
| faroe islands | | encyonema sp. wjs-2015a | species | 6 | 0 |
| faroe islands | | encyonema sp. wjs-2015b | species | 6 | 0 |
| germany | | brebissonia lanceolata | species | 1 | 0 |
| germany | | cymbella affinis | species | 2 | 0 |
| germany | | cymbella aspera | species | 6 | 0 |
| germany | | cymbella bengalensis | species | 3 | 0 |
| germany | | cymbella proxima | species | 1 | 0 |
| germany | | cymbella subturgidula | species | 4 | 0 |
| germany | | cymbopleura naviculiformis | species | 2 | 0 |
| germany | | encyonema caespitosum | species | 3 | 0 |
| germany | | encyonema minutum | species | 1 | 0 |
| germany | | encyonema ventricosum | species | 9 | 0 |
| germany | | placoneis sp. at-220.09 | species | 1 | 0 |
| germany | lower saxony | brebissonia lanceolata | species | 1 | 0 |
| germany | lower saxony | cymbella affinis | species | 2 | 0 |
| germany | lower saxony | cymbella aspera | species | 1 | 0 |
| germany | lower saxony | cymbella proxima | species | 1 | 0 |
| germany | lower saxony | cymbopleura naviculiformis | species | 1 | 0 |
| germany | lower saxony | encyonema caespitosum | species | 1 | 0 |
| italy | | encyonema silesacum | species | 1 | 0 |
| japan | | cymbella janischii | species | 5 | 0 |
| kuwait | | cymbella cistuliformis | species | 1 | 0 |
| luxembourg | | encyonema sp. lk-2011 | species | 1 | 0 |
| luxembourg | | uncultured encyonema | species | 1 | 0 |
| north korea | | cymbella proxima | species | 3 | 0 |
| north korea | | cymbella tumida | species | 3 | 0 |
| russia | | paraplaconeis kornevae | species | 3 | 0 |
| russia | | placoneis minor | species | 3 | 0 |
| south africa | | uncultured cymbella | species | 2 | 0 |
| spain | | cymbella excisa | species | 1 | 0 |
| spain | | cymbella tumida | species | 1 | 0 |
| spain | | encyonema silesacum | species | 2 | 0 |
| united states | | cymbella cymbiformis | species | 1 | 0 |
| united states | | cymbella janischii | species | 4 | 0 |
| united states | | encyonema triangulatum | species | 1 | 0 |
| united states | idaho | cymbella janischii | species | 5 | 0 |
| united states | iowa | cymbella affinis | species | 3 | 0 |
| united states | iowa | cymbella proxima | species | 5 | 0 |
| united states | iowa | cymbella tumida | species | 5 | 0 |
| united states | iowa | cymbopleura inaequalis | species | 5 | 0 |
| united states | iowa | cymbopleura naviculiformis | species | 5 | 0 |
| united states | iowa | encyonema minutum | species | 4 | 0 |
| united states | iowa | encyonema muelleri | species | 5 | 0 |
| united states | iowa | encyonema prostratum | species | 5 | 0 |
| united states | iowa | encyonema triangulum | species | 5 | 0 |
| united states | iowa | placoneis gastrum | species | 2 | 0 |
| united states | maine | encyonema minutum var. pseudogracilis | varietas | 5 | 0 |
| united states | michigan | cymbella cistula | species | 4 | 0 |
| united states | michigan | encyonopsis sp. tn-2014 | species | 4 | 0 |
| united states | minnesota | cymbella affinis | species | 5 | 0 |
| united states | minnesota | cymbella aspera | species | 5 | 0 |
| united states | minnesota | cymbella heterogibbosa | species | 5 | 0 |
| united states | minnesota | cymbella tumida | species | 5 | 0 |
| united states | minnesota | cymbopleura sp. tn-2014 | species | 5 | 0 |
| united states | minnesota | encyonema norvegica | species | 4 | 0 |
| united states | minnesota | placoneis abiskoensis | species | 5 | 0 |
| united states | minnesota | placoneis clementis | species | 4 | 0 |
| united states | minnesota | placoneis elginensis | species | 5 | 0 |
| united states | new york | cymbopleura subcuspidata | species | 2 | 0 |
| united states | new york | encyonema sp. kel-2015 | species | 1 | 0 |
| united states | texas | brebissonia lanceolata | species | 4 | 0 |
| united states | texas | cymbella cistula | species | 5 | 0 |
| united states | texas | cymbella mexicana | species | 4 | 0 |
| united states | texas | cymbella sp. tn-2014 | species | 5 | 0 |
| united states | washington | encyonema minutum | species | 4 | 0 |
| vietnam | | encyonema sp. wjs-2015c | species | 3 | 0 |
| vietnam | | placoneis sp. wjs-2015a | species | 3 | 0 |