| antarctica | | anthomedusae sp. rg-2014 | species | 1 | 0 |
| antarctica | | clathrozoella drygalskii | species | 1 | 0 |
| antarctica | | eudendrium sp. pc-2009c | species | 1 | 0 |
| antarctica | | hydractinia sp. pc-2009d | species | 1 | 0 |
| antarctica | | perarella clavata | species | 1 | 0 |
| australia | tasmania | turritopsis rubra | species | 2 | 0 |
| australia | victoria | eudendrium balei | species | 1 | 0 |
| australia | victoria | eudendrium capillare | species | 1 | 0 |
| australia | victoria | eudendrium kirkpatricki | species | 1 | 0 |
| australia | victoria | eudendrium nambuccense | species | 1 | 0 |
| australia | victoria | eudendrium pennycuikae | species | 1 | 0 |
| belgium | | hydractinia polyclina | species | 5 | 0 |
| belize | | stylaster roseus | species | 1 | 0 |
| belize | stann creek district | myrionema hargitti | species | 1 | 0 |
| brazil | | bimeria vestita | species | 3 | 0 |
| brazil | | bougainvillia muscus | species | 3 | 0 |
| brazil | | eudendrium caraiuru | species | 2 | 0 |
| brazil | | eudendrium carneum | species | 3 | 0 |
| brazil | | hydrocoryne iemanja | species | 1 | 0 |
| brazil | | stylaster roseus | species | 52 | 0 |
| brazil | | turritopsis nutricula | species | 3 | 0 |
| brazil | alagoas | bimeria vestita | species | 1 | 0 |
| brazil | alagoas | eudendrium carneum | species | 1 | 0 |
| brazil | santa catarina | bougainvillia muscus | species | 1 | 0 |
| brazil | sao paulo | bougainvillia carolinensis | species | 3 | 0 |
| bulgaria | varna province | eudendrium merulum | species | 130 | 0 |
| canada | british columbia | hydractinia milleri | species | 2 | 0 |
| canada | british columbia | similiclava nivea | species | 1 | 0 |
| canada | nova scotia | bougainvillia muscus | species | 2 | 0 |
| canada | nova scotia | clava multicornis | species | 1 | 0 |
| canada | nova scotia | halitholus cirratus | species | 1 | 0 |
| canada | nova scotia | lizzia blondina | species | 1 | 0 |
| canada | nova scotia | podocorynoides minima | species | 3 | 0 |
| canada | nova scotia | rathkea octopunctata | species | 1 | 0 |
| canada | nunavut | leuckartiara nobilis | species | 1 | 0 |
| chile | | cordylophora sp. hg1 | species | 2 | 0 |
| chile | | hydractinia sp. mmm-2015 | species | 1 | 0 |
| chile | | hydractinia sp. mmm-2016 | species | 2 | 0 |
| china | | turritopsis sp. 5 lj-2017 | species | 5 | 0 |
| colombia | | stylaster duchassaingii | species | 2 | 0 |
| colombia | | stylaster roseus | species | 85 | 0 |
| colombia | magdalena department | eudendrium carneum | species | 1 | 0 |
| croatia | | bougainvillia triestina | species | 6 | 0 |
| curacao | | stylaster roseus | species | 17 | 0 |
| denmark | | podocoryna carnea | species | 2 | 0 |
| france | | cordylophora sp. hg2 | species | 2 | 0 |
| france | bretagne region | amphinema dinema | species | 1 | 0 |
| france | bretagne region | bimeria vestita | species | 2 | 0 |
| france | bretagne region | bougainvillia muscus | species | 2 | 0 |
| france | bretagne region | clava multicornis | species | 2 | 0 |
| france | bretagne region | eudendrium capillare | species | 1 | 0 |
| france | bretagne region | hydractinia echinata | species | 3 | 0 |
| france | bretagne region | lizzia blondina | species | 3 | 0 |
| france | bretagne region | podocoryna exigua | species | 1 | 0 |
| france | bretagne region | proboscidactyla stellata | species | 1 | 0 |
| france | bretagne region | rathkea octopunctata | species | 1 | 0 |
| france | bretagne region | rhizorhagium arenosum | species | 2 | 0 |
| france | languedoc-roussillon region | bougainvillia muscus | species | 1 | 0 |
| france | languedoc-roussillon region | dicoryne conybearei | species | 1 | 0 |
| france | languedoc-roussillon region | eudendrium racemosum | species | 3 | 0 |
| france | languedoc-roussillon region | pachycordyle pusilla | species | 2 | 0 |
| france | languedoc-roussillon region | podocoryna exigua | species | 12 | 0 |
| france | languedoc-roussillon region | podocoryna pruvoti | species | 42 | 0 |
| france | provence-alpes-cote d'azur region | bougainvillia muscus | species | 1 | 0 |
| france | provence-alpes-cote d'azur region | eudendrium glomeratum | species | 2 | 0 |
| france | provence-alpes-cote d'azur region | hydractinia minuta | species | 2 | 0 |
| france | provence-alpes-cote d'azur region | koellikerina fasciculata | species | 3 | 0 |
| france | provence-alpes-cote d'azur region | leuckartiara octona | species | 2 | 0 |
| france | provence-alpes-cote d'azur region | podocorynoides minima | species | 1 | 0 |
| french polynesia | | distichopora violacea | species | 1 | 0 |
| french polynesia | | eudendrium sp. bmoo-08130 | species | 1 | 0 |
| germany | | cordylophora sp. nfr11 | species | 2 | 0 |
| germany | | hydractinia echinata | species | 2 | 0 |
| grenada | | stylaster roseus | species | 1 | 0 |
| guadeloupe | | heterocoryne caribbensis | species | 5 | 0 |
| guadeloupe | | sphaerocoryne bedoti | species | 6 | 0 |
| honduras | bay islands department | eudendrium carneum | species | 1 | 0 |
| hungary | veszprem county | cordylophora sp. im1 | species | 2 | 0 |
| iceland | | podocoryna borealis | species | 3 | 0 |
| iceland | | rhizogeton nudus | species | 1 | 0 |
| iceland | southern ppeninsula | hydractinia allmanii | species | 256 | 0 |
| iceland | southern ppeninsula | podocoryna borealis | species | 15 | 0 |
| indonesia | north sulawesi province | eudendrium racemosum | species | 1 | 0 |
| ireland | | cordylophora sp. nfr8 | species | 2 | 0 |
| israel | southern district | turritopsis dohrnii | species | 1 | 0 |
| italy | | eudendrium glomeratum | species | 2 | 0 |
| italy | apulia region | hydractinia cf. calderi mpm-2009 | species | 3 | 0 |
| italy | apulia region | podocoryna exigua | species | 2 | 0 |
| italy | apulia region | stylactaria fucicola | species | 2 | 0 |
| italy | apulia region | stylactaria inermis | species | 4 | 0 |
| italy | campania region | turritopsis dohrnii | species | 1 | 0 |
| italy | sardinia autonomous region | eudendrium album | species | 1 | 0 |
| japan | | asyncoryne ryniensis | species | 1 | 0 |
| japan | | hydractinia carcinicola complex sp. 3 | species | 1 | 0 |
| japan | | hydractinia epiconcha | species | 1 | 0 |
| japan | | hydractinia multigranosi | species | 1 | 0 |
| japan | | hydrocoryne miurensis | species | 2 | 0 |
| japan | hokkaido prefecture | hydrissa sodalis | species | 117 | 0 |
| japan | kagoshima prefecture | cytaeis capitata | species | 2 | 0 |
| japan | kochi prefecture | turritopsis dohrnii | species | 1 | 0 |
| japan | okinawa prefecture | balella mirabilis | species | 1 | 0 |
| japan | okinawa prefecture | turritopsis dohrnii | species | 5 | 0 |
| japan | wakayama prefecture | turritopsis dohrnii | species | 2 | 0 |
| kenya | coast province | thecocodium quadratum | species | 6 | 0 |
| maldives | | sphaerocoryne sp. dm-2017 | species | 4 | 0 |
| maldives | | sphaerocorynidae sp. dm-2017 | species | 6 | 0 |
| maldives | | turritopsis sp. dm-2017 | species | 5 | 0 |
| maldives | | turritopsoides sp. ma194 | species | 4 | 0 |
| maldives | | turritopsoides sp. ma206 | species | 4 | 0 |
| maldives | | turritopsoides sp. ma207 | species | 4 | 0 |
| maldives | | turritopsoides sp. ma208 | species | 3 | 0 |
| maldives | faafu atoll | asyncoryne ryniensis | species | 5 | 0 |
| maldives | faafu atoll | sphaerocoryne bedoti | species | 56 | 0 |
| martinique | | podocoryna martinicana | species | 1 | 0 |
| martinique | | turritopsis sp. dna1003 | species | 2 | 0 |
| morocco | | eudendrium rameum | species | 3 | 0 |
| morocco | | eudendrium sp. cm-2007 | species | 3 | 0 |
| morocco | | tubiclavoides striatum | species | 1 | 0 |
| netherlands | | heterocoryne caribbensis | species | 3 | 0 |
| new zealand | | fabienna sphaerica | species | 1 | 0 |
| new zealand | | hydractinia rubricata | species | 1 | 0 |
| new zealand | | podocoryna australis | species | 3 | 0 |
| new zealand | | proboscidactyla sp. mhng inve29472 | species | 1 | 0 |
| new zealand | otago | podocoryna australis | species | 2 | 0 |
| new zealand | otago | podocoryna bella | species | 2 | 0 |
| new zealand | wellington | turritopsis rubra | species | 1 | 0 |
| norway | hordaland county | bougainvillia principis | species | 1 | 0 |
| norway | hordaland county | eudendrium ramosum | species | 3 | 0 |
| norway | hordaland county | leuckartiara octona | species | 2 | 0 |
| norway | hordaland county | podocoryna borealis | species | 1 | 0 |
| panama | | cordylophora sp. nfr7 | species | 2 | 0 |
| panama | | sphaerocoryne bedoti | species | 1 | 0 |
| panama | bocas del toro province | sphaerocoryne bedoti | species | 12 | 0 |
| portugal | | amphinema cf. dinema cjm-2014 | species | 1 | 0 |
| portugal | | eudendrium armatum | species | 1 | 0 |
| portugal | | eudendrium cf. merulum cjm-2014 | species | 1 | 0 |
| portugal | | eudendrium sp. cjm-2014 | species | 2 | 0 |
| portugal | madeira autonomous region | sphaerocoryne bedoti | species | 5 | 0 |
| portugal | madeira autonomous region | sphaerocoryne sp. 807 | species | 1 | 0 |
| russia | | bougainvillia principis | species | 2 | 0 |
| russia | | clava multicornis | species | 2 | 0 |
| russia | | halitholus cirratus | species | 4 | 0 |
| russia | | plotocnide borealis | species | 11 | 0 |
| russia | | protohydra leuckarti | species | 11 | 0 |
| sao tome and principe | | stylaster roseus | species | 11 | 0 |
| saudi arabia | | sphaerocorynidae sp. dm-2017 | species | 3 | 0 |
| saudi arabia | jizan region | cytaeis sp. man-2015 | species | 3 | 0 |
| south africa | kwazulu-natal province | hydractinia cf. altispina mpm-2009 | species | 9 | 0 |
| south africa | kwazulu-natal province | hydrichthys boycei | species | 1 | 0 |
| south africa | the western cape province | hydractinia cf. altispina mpm-2009 | species | 2 | 0 |
| south africa | the western cape province | podocoryna sp. 1 mpm-2009 | species | 1 | 0 |
| south africa | the western cape province | podocoryna sp. sa | species | 1 | 0 |
| south korea | | solanderia secunda | species | 1 | 0 |
| spain | asturias | bougainvillia muscus | species | 1 | 0 |
| spain | balearic islands | eudendrium glomeratum | species | 1 | 0 |
| spain | balearic islands | eudendrium racemosum | species | 1 | 0 |
| spain | balearic islands | hydractinia aculeata | species | 2 | 0 |
| spain | balearic islands | turritopsis dohrnii | species | 1 | 0 |
| svalbard and jan mayen | | thecocodium sp. mhng inve 62870 | species | 1 | 0 |
| sweden | varmland | clava multicornis | species | 1 | 0 |
| trinidad and tobago | | stylaster roseus | species | 1 | 0 |
| united arab emirates | | turritopsis sp. dm-2017 | species | 1 | 0 |
| united kingdom | england | bougainvillia muscus | species | 1 | 0 |
| united kingdom | england | eudendrium capillare | species | 2 | 0 |
| united kingdom | england | eudendrium insigne | species | 2 | 0 |
| united kingdom | england | garveia nutans | species | 1 | 0 |
| united kingdom | england | leuckartiara octona | species | 6 | 0 |
| united kingdom | northern ireland | eudendrium annulatum | species | 1 | 0 |
| united kingdom | scotland | bougainvillia britannica | species | 1 | 0 |
| united kingdom | scotland | bougainvillia principis | species | 1 | 0 |
| united kingdom | scotland | leuckartiara nobilis | species | 2 | 0 |
| united kingdom | scotland | podocoryna borealis | species | 1 | 0 |
| united kingdom | scotland | rhizogeton nudus | species | 1 | 0 |
| united states | | cordylophora caspia | species | 9 | 0 |
| united states | | nemopsis bachei | species | 8 | 0 |
| united states | alaska | hydractinia allmanii | species | 6 | 0 |
| united states | alaska | hydractinia antonii | species | 2 | 0 |
| united states | alaska | hydractinia serrata | species | 2 | 0 |
| united states | california | hydractinia hooperi | species | 1 | 0 |
| united states | california | hydractinia hooperi complex sp. 2 | species | 1 | 0 |
| united states | california | hydractinia laevispina | species | 1 | 0 |
| united states | california | hydractinia milleri | species | 2 | 0 |
| united states | california | hydractinia sp. 1 mpm-2009 | species | 2 | 0 |
| united states | california | hydractinia sp. 3 mpm-2009 | species | 2 | 0 |
| united states | california | rhizogeton nudus | species | 1 | 0 |
| united states | california | stylaster californicus | species | 3 | 0 |
| united states | california | turritopsis sp. dna1141 | species | 2 | 0 |
| united states | california | turritopsis sp. dna1142 | species | 2 | 0 |
| united states | connecticut | hydractinia symbiolongicarpus | species | 59 | 0 |
| united states | florida | hydractinia sp. g.m. | species | 17 | 0 |
| united states | florida | myrionema hargitti | species | 1 | 0 |
| united states | florida | proboscidactyla ornata | species | 4 | 0 |
| united states | florida | sphaerocoryne agassizii | species | 2 | 0 |
| united states | florida | thecocodium quadratum | species | 2 | 0 |
| united states | florida | turritopsis nutricula | species | 2 | 0 |
| united states | idaho | proboscidactyla flavicirrata | species | 2 | 0 |
| united states | maine | hydractinia polyclina | species | 9 | 0 |
| united states | maryland | nemopsis bachei | species | 3 | 0 |
| united states | massachusetts | clava multicornis | species | 3 | 0 |
| united states | massachusetts | cordylophora sp. wh1 | species | 2 | 0 |
| united states | massachusetts | hydractinia hooperi | species | 1 | 0 |
| united states | massachusetts | hydractinia hooperi complex sp. 1 | species | 1 | 0 |
| united states | massachusetts | hydractinia polyclina | species | 18 | 0 |
| united states | massachusetts | hydractinia symbiolongicarpus | species | 1 | 0 |
| united states | massachusetts | podocoryna americana | species | 8 | 0 |
| united states | new york | clava multicornis | species | 1 | 0 |
| united states | new york | hydractinia echinata | species | 3 | 0 |
| united states | new york | hydractinia polyclina | species | 3 | 0 |
| united states | new york | hydractinia symbiolongicarpus | species | 1 | 0 |
| united states | new york | podocoryna americana | species | 1120 | 0 |
| united states | north carolina | hydractinia symbiolongicarpus | species | 2 | 0 |
| united states | ohio | cordylophora caspia | species | 3 | 0 |
| united states | virginia | cordylophora sp. nfr1 | species | 2 | 0 |
| united states | washington | hydractinia serrata | species | 1 | 0 |
| united states | washington | neoturris breviconis | species | 2 | 0 |
| united states | washington | proboscidactyla flavicirrata | species | 2 | 0 |