| antarctica | | actinocyclus actinochilus | species | 2 | 0 |
| antarctica | | stellarima microtrias | species | 15 | 0 |
| brazil | sao paulo | hemidiscus cuneiformis | species | 1 | 0 |
| canada | new brunswick | actinoptychus senarius | species | 2 | 0 |
| canada | new brunswick | coscinodiscus wailesii | species | 13 | 0 |
| hong kong | | coscinodiscus wailesii | species | 10 | 0 |
| hong kong | | palmerina hardmaniana | species | 2 | 0 |
| hong kong | | stellarima microtrias | species | 1 | 0 |
| india | | coscinodiscus radiatus | species | 1 | 0 |
| india | | coscinodiscus sp. mbtd-cmfri-s025 | species | 1 | 0 |
| south africa | | actinoptychus sp. hk050 | species | 4 | 0 |
| united kingdom | | coscinodiscus radiatus | species | 1 | 0 |
| united states | | actinoptychus sinensis | species | 1 | 0 |
| united states | california | actinocyclus sp. 1 mpa-2013 | species | 4 | 0 |
| united states | california | actinoptychus undulatus | species | 3 | 0 |
| united states | california | aulacodiscus oreganus | species | 3 | 0 |
| united states | california | coscinodiscus sp. 1 mpa-2013 | species | 2 | 0 |
| united states | california | coscinodiscus sp. tn-2014 | species | 3 | 0 |
| united states | florida | actinocyclus sp. 1 mpa-2013 | species | 3 | 0 |
| united states | florida | coscinodiscus sp. 1 mpa-2013 | species | 6 | 0 |
| united states | georgia | coscinodiscus jonesianus | species | 3 | 0 |
| united states | hawaii | coscinodiscus sp. tn-2014 | species | 3 | 0 |
| united states | new york | actinoptychus sp. tn-2014 | species | 3 | 0 |
| united states | oregon | actinoptychus sp. tn-2014 | species | 2 | 0 |
| united states | south carolina | actinoptychus splendens | species | 3 | 0 |
| united states | washington | coscinodiscus granii | species | 2 | 0 |
| united states | washington | coscinodiscus radiatus | species | 4 | 0 |