| china | fujian | electra bellula | species | 1 | 0 |
| china | hainan | membranipora tuberculata | species | 1 | 0 |
| croatia | | conopeum seurati | species | 1 | 0 |
| french polynesia | | conopeum sp. bmoo-07025 | species | 1 | 0 |
| germany | schleswig-holstein | electra crustulenta | species | 2 | 0 |
| germany | schleswig-holstein | electra pilosa | species | 9 | 0 |
| germany | schleswig-holstein | electra sp. h227 | species | 1 | 0 |
| india | | membranipora membranacea | species | 1 | 0 |
| japan | aomori prefecture | membranipora serrilamella | species | 2 | 0 |
| japan | hokkaido prefecture | electra arctica | species | 7 | 0 |
| japan | hokkaido prefecture | electra korobokkura | species | 2 | 0 |
| netherlands | north holland province | electra crustulenta | species | 2 | 0 |
| norway | hordaland county | membranipora membranacea | species | 17 | 0 |
| russia | | conopeum grimmi | species | 1 | 0 |
| russia | khabarovsk krai | electra arctica | species | 12 | 0 |
| russia | murmansk oblast | electra arctica | species | 28 | 0 |
| russia | murmansk oblast | electra pilosa | species | 3 | 0 |
| spain | balearic islands | electra posidonia | species | 2 | 0 |
| turkey | | membranipora tenuis | species | 3 | 0 |
| united kingdom | england | electra pilosa | species | 51 | 0 |
| united states | california | conopeum reticulum | species | 3 | 0 |
| united states | california | conopeum tenuissimum | species | 2 | 0 |
| united states | california | electra sp. ldm-2016 | species | 1 | 0 |
| united states | california | electra sp. lm-2010 | species | 2 | 0 |
| united states | california | electra venturaensis | species | 1 | 0 |
| united states | california | membranipora chesapeakensis | species | 16 | 0 |
| united states | california | membranipora membranacea | species | 1 | 0 |
| united states | florida | membranipora chesapeakensis | species | 5 | 0 |
| united states | maine | electra pilosa | species | 1 | 0 |
| united states | maryland | membranipora chesapeakensis | species | 2 | 0 |
| united states | maryland | membranipora tenuis | species | 5 | 0 |
| united states | oregon | electra crustulenta | species | 21 | 0 |
| united states | virginia | conopeum tenuissimum | species | 4 | 0 |
| united states | virginia | membranipora chesapeakensis | species | 8 | 0 |
| united states | virginia | membranipora tenuis | species | 17 | 0 |
| united states | washington | membranipora chesapeakensis | species | 2 | 0 |
| united states | washington | membranipora membranacea | species | 19 | 0 |