| australia | | polydora websteri | species | 20 | 0 |
| australia | western australia | polydora hoplura | species | 3 | 0 |
| china | | polydora aura | species | 5 | 0 |
| china | | polydora brevipalpa | species | 35 | 0 |
| china | | polydora haswelli | species | 1 | 0 |
| china | | polydora lingshuiensis | species | 8 | 0 |
| china | | polydora onagawaensis | species | 1 | 0 |
| china | | polydora websteri | species | 3 | 0 |
| china | guangdong | polydora haswelli | species | 3 | 0 |
| china | guangdong | polydora lingshuiensis | species | 5 | 0 |
| china | guangxi | polydora brevipalpa | species | 3 | 0 |
| china | guangxi | polydora lingshuiensis | species | 6 | 0 |
| china | hainan | polydora haswelli | species | 3 | 0 |
| china | hainan | polydora lingshuiensis | species | 108 | 0 |
| china | jiangsu | polydora websteri | species | 12 | 0 |
| china | liaoning | polydora brevipalpa | species | 1 | 0 |
| china | zhejiang | polydora brevipalpa | species | 2 | 0 |
| japan | hiroshima prefecture | polydora aura | species | 2 | 0 |
| japan | hiroshima prefecture | polydora haswelli | species | 1 | 0 |
| japan | hiroshima prefecture | polydora hoplura | species | 4 | 0 |
| japan | nagasaki prefecture | polydora hoplura | species | 3 | 0 |
| japan | tokyo prefecture | polydora haswelli | species | 2 | 0 |
| south africa | | polydora cf. nuchalis lgw-2017 | species | 12 | 0 |
| south africa | | polydora cf. websteri lgw-2017 | species | 14 | 0 |
| south africa | | polydora hoplura | species | 31 | 0 |
| south africa | the western cape province | polydora websteri | species | 77 | 0 |
| spain | galicia | polydora hoplura | species | 1 | 0 |
| united states | | polydora cornuta | species | 1 | 0 |
| united states | alabama | polydora websteri | species | 157 | 0 |
| united states | hawaii | polydora websteri | species | 1 | 0 |
| united states | maine | polydora cornuta | species | 11 | 0 |
| united states | maine | polydora onagawaensis | species | 27 | 0 |
| united states | maine | polydora websteri | species | 22 | 0 |
| united states | maryland | polydora websteri | species | 3 | 0 |
| united states | massachusetts | polydora cornuta | species | 8 | 0 |
| united states | massachusetts | polydora websteri | species | 2 | 0 |
| united states | new hampshire | polydora cornuta | species | 2 | 0 |
| united states | new hampshire | polydora websteri | species | 4 | 0 |
| united states | rhode island | polydora onagawaensis | species | 21 | 0 |
| united states | virginia | polydora cornuta | species | 6 | 0 |
| united states | washington | polydora websteri | species | 20 | 0 |