| antarctica | | cf. lineus sp. dh-2009 | species | 3 | 0 |
| antarctica | | cf. parvicirrus sp. dh-2009 | species | 4 | 0 |
| argentina | | ramphogordius sanguineus | species | 5 | 0 |
| australia | | micrura callima | species | 2 | 0 |
| belize | | lineus sp. 400 mls-2006 | species | 1 | 0 |
| belize | | micrura sp. 557 mls-2006 | species | 1 | 0 |
| belize | | micrura sp. 568 mls-2006 | species | 2 | 0 |
| belize | | micrura sp. 571 mls-2006 | species | 1 | 0 |
| belize | | micrura sp. 673 mls-2006 | species | 1 | 0 |
| belize | | micrura sp. 674 mls-2006 | species | 3 | 0 |
| belize | | micrura sp. 676 mls-2006 | species | 1 | 0 |
| belize | | micrura sp. 803 mls-2006 | species | 2 | 0 |
| belize | | tenuilineus albocinctus | species | 1 | 0 |
| canada | | lineus rubescens | species | 1 | 0 |
| canada | | maculaura alaskensis | species | 1 | 0 |
| canada | | micrura verrilli | species | 1 | 0 |
| canada | | micrura wilsoni | species | 2 | 0 |
| canada | | ramphogordius sanguineus | species | 42 | 0 |
| canada | british columbia | micrura wilsoni | species | 1 | 0 |
| chile | | lineus ruber | species | 7 | 0 |
| china | | lineidae sp. twl-2008 | species | 1 | 0 |
| china | | lineus alborostratus | species | 1 | 0 |
| china | | lineus viridis | species | 1 | 0 |
| china | | ramphogordius sanguineus | species | 71 | 0 |
| china | shandong | ramphogordius sanguineus | species | 1 | 0 |
| france | | lineus longissimus | species | 12 | 0 |
| france | | lineus ruber | species | 26 | 0 |
| france | | lineus viridis | species | 10 | 0 |
| france | | ramphogordius lacteus | species | 31 | 0 |
| france | | ramphogordius pseudolacteus | species | 6 | 0 |
| france | | ramphogordius sanguineus | species | 12 | 0 |
| france | | riseriellus occultus | species | 2 | 0 |
| france | bretagne region | lineus longissimus | species | 674 | 0 |
| france | bretagne region | lineus ruber | species | 1 | 0 |
| france | bretagne region | lineus viridis | species | 1 | 0 |
| france | bretagne region | ramphogordius pseudolacteus | species | 4 | 0 |
| france | bretagne region | ramphogordius sanguineus | species | 21 | 0 |
| france | languedoc-roussillon region | ramphogordius sanguineus | species | 3 | 0 |
| france | provence-alpes-cote d'azur region | ramphogordius lacteus | species | 4 | 0 |
| germany | schleswig-holstein | lineus viridis | species | 60 | 0 |
| germany | schleswig-holstein | ramphogordius sanguineus | species | 63 | 0 |
| guam | | micrura callima | species | 3 | 0 |
| japan | | lineopselloides albilineus | species | 1 | 0 |
| japan | | lineus bilineatus | species | 2 | 0 |
| japan | | lineus flavescens | species | 2 | 0 |
| japan | | lineus torquatus | species | 3 | 0 |
| japan | | micrura akkeshiensis | species | 2 | 0 |
| japan | | micrura callima | species | 2 | 0 |
| japan | | micrura formosana | species | 3 | 0 |
| japan | | micrura sp. 460 mls-2006 | species | 3 | 0 |
| japan | | micrura sp. 468 mls-2006 | species | 2 | 0 |
| japan | | micrura verrilli | species | 2 | 0 |
| japan | | ramphogordius sanguineus 'akkeshi' | no rank | 2 | 0 |
| japan | | ramphogordius sanguineus 'oshoro' | no rank | 1 | 0 |
| japan | | ramphogordius sanguineus 'seto' | no rank | 2 | 0 |
| japan | aichi prefecture | micrura sp. 468 mls-2006 | species | 1 | 0 |
| japan | hokkaido prefecture | kulikovia manchenkoi | species | 24 | 0 |
| japan | kanagawa prefecture | lineus alborostratus | species | 25 | 0 |
| japan | osaka prefecture | apatronemertes albimaculosa | species | 1 | 0 |
| norway | | lineus longissimus | species | 2 | 0 |
| norway | hordaland county | ramphogordius sanguineus | species | 33 | 0 |
| norway | sor-trondelag county | lineus ruber | species | 9 | 0 |
| norway | sor-trondelag county | lineus viridis | species | 1 | 0 |
| panama | | apatronemertes albimaculosa | species | 3 | 0 |
| panama | | micrura chlorapardalis | species | 5 | 0 |
| panama | | micrura ignea | species | 10 | 0 |
| panama | | micrura rubramaculosa | species | 4 | 0 |
| panama | | micrura sp. mcz iz 132529 | species | 5 | 0 |
| panama | | micrura sp. mcz iz 132531 | species | 1 | 0 |
| panama | | micrura sp. mcz iz 132532 | species | 5 | 0 |
| panama | | micrura sp. mcz iz 133724 | species | 5 | 0 |
| panama | bocas del toro province | micrura chlorapardalis | species | 9 | 0 |
| panama | bocas del toro province | micrura ignea | species | 2 | 0 |
| panama | bocas del toro province | micrura rubramaculosa | species | 6 | 0 |
| panama | bocas del toro province | tenuilineus albocinctus | species | 1 | 0 |
| russia | | hinumanemertes kikuchii | species | 1 | 0 |
| russia | magadan oblast | maculaura aquilonia | species | 2 | 0 |
| south korea | | micrura cf. alaskensis nembar0943 | species | 1 | 0 |
| spain | | lineus longissimus | species | 1 | 0 |
| spain | | lineus sp. mcz iz 132744 | species | 5 | 0 |
| spain | | lineus sp. nembar0101 | species | 1 | 0 |
| spain | | lineus sp. nembar0103 | species | 1 | 0 |
| spain | | lineus sp. nembar0106 | species | 1 | 0 |
| spain | | lineus sp. nembar0107 | species | 1 | 0 |
| spain | | lineus sp. nembar0109 | species | 1 | 0 |
| spain | | micrura dellechiajei | species | 9 | 0 |
| spain | | ramphogordius lacteus | species | 5 | 0 |
| spain | | ramphogordius sanguineus | species | 11 | 0 |
| spain | | ramphogordius sanguineus 'spain' | no rank | 1 | 0 |
| spain | | ramphogordius sp. 745 mls-2006 | species | 1 | 0 |
| spain | | riseriellus occultus | species | 3 | 0 |
| spain | asturias | ramphogordius lacteus | species | 49 | 0 |
| spain | asturias | ramphogordius sanguineus | species | 14 | 0 |
| sweden | | lineus bilineatus | species | 18 | 0 |
| sweden | | lineus cf. ruber/viridis ms-2010 | species | 1 | 0 |
| sweden | | lineus ruber | species | 7 | 0 |
| sweden | | lineus sp. nembar0343 | species | 1 | 0 |
| sweden | | lineus viridis | species | 1 | 0 |
| sweden | | micrura fasciolata | species | 19 | 0 |
| sweden | | micrura purpurea | species | 36 | 0 |
| sweden | | ramphogordius sanguineus | species | 1 | 0 |
| sweden | | tenuilineus albocinctus | species | 1 | 0 |
| sweden | vasterbotten | ramphogordius sanguineus | species | 6 | 0 |
| taiwan | | apatronemertes albimaculosa | species | 2 | 0 |
| united kingdom | | lineus ruber | species | 8 | 0 |
| united kingdom | | lineus viridis | species | 9 | 0 |
| united kingdom | | ramphogordius sanguineus | species | 18 | 0 |
| united kingdom | | ramphogordius sp. nembar0009 | species | 1 | 0 |
| united kingdom | | ramphogordius sp. nembar0010 | species | 1 | 0 |
| united kingdom | | ramphogordius sp. nembar0012 | species | 1 | 0 |
| united kingdom | | ramphogordius sp. nembar0013 | species | 1 | 0 |
| united kingdom | | ramphogordius sp. nembar0015 | species | 1 | 0 |
| united kingdom | | ramphogordius sp. nembar0017 | species | 1 | 0 |
| united kingdom | | ramphogordius sp. nembar0018 | species | 1 | 0 |
| united kingdom | | riseriellus occultus | species | 7 | 0 |
| united kingdom | | riseriellus sp. nembar0669 | species | 1 | 0 |
| united kingdom | | riseriellus sp. nembar0670 | species | 1 | 0 |
| united kingdom | | riseriellus sp. nembar0736 | species | 1 | 0 |
| united kingdom | | riseriellus sp. nembar0737 | species | 1 | 0 |
| united kingdom | | riseriellus sp. nembar0761 | species | 1 | 0 |
| united kingdom | | riseriellus sp. nembar0762 | species | 1 | 0 |
| united kingdom | | riseriellus sp. nembar0763 | species | 1 | 0 |
| united kingdom | | riseriellus sp. nembar0764 | species | 1 | 0 |
| united kingdom | wales | lineus ruber | species | 1 | 0 |
| united kingdom | wales | riseriellus occultus | species | 1 | 0 |
| united states | | lineus ruber | species | 2 | 0 |
| united states | | lineus torquatus | species | 2 | 0 |
| united states | | lineus viridis | species | 2 | 0 |
| united states | | maculaura alaskensis | species | 1 | 0 |
| united states | | micrura sp. 3 mh-2017 | species | 1 | 0 |
| united states | | micrura sp. 4 mh-2017 | species | 6 | 0 |
| united states | | micrura sp. 646 mls-2006 | species | 2 | 0 |
| united states | | micrura sp. 803 mls-2006 | species | 1 | 0 |
| united states | | micrura sp. albocephala | species | 5 | 0 |
| united states | | micrura verrilli | species | 7 | 0 |
| united states | | ramphogordius sanguineus 'alaska' | no rank | 1 | 0 |
| united states | | zygeupolia rubens | species | 2 | 0 |
| united states | alaska | lineus torquatus | species | 1 | 0 |
| united states | alaska | maculaura aquilonia | species | 72 | 0 |
| united states | california | maculaura cerebrosa | species | 3 | 0 |
| united states | california | maculaura oregonensis | species | 1 | 0 |
| united states | florida | micrura chlorapardalis | species | 3 | 0 |
| united states | florida | neolineus sp. 159 mls-2006 | species | 1 | 0 |
| united states | florida | tenuilineus bicolor | species | 2 | 0 |
| united states | florida | zygeupolia rubens | species | 1 | 0 |
| united states | hawaii | micrura callima | species | 1 | 0 |
| united states | maine | fragilonemertes rosea | species | 1 | 0 |
| united states | maine | lineus viridis | species | 1 | 0 |
| united states | maryland | micrura leidyi | species | 1 | 0 |
| united states | massachusetts | lineus ruber | species | 4 | 0 |
| united states | massachusetts | lineus viridis | species | 4 | 0 |
| united states | massachusetts | ramphogordius sanguineus | species | 3 | 0 |
| united states | oregon | lineidae gen. sp. large eggs | species | 15 | 0 |
| united states | oregon | lineus flavescens | species | 70 | 0 |
| united states | oregon | lineus sp. 1 tch-2015 | species | 13 | 0 |
| united states | oregon | lineus sp. 2 tch-2015 | species | 40 | 0 |
| united states | oregon | lineus sp. crescent | species | 9 | 0 |
| united states | oregon | lineus sp. red | species | 21 | 0 |
| united states | oregon | maculaura alaskensis | species | 84 | 0 |
| united states | oregon | maculaura aquilonia | species | 21 | 0 |
| united states | oregon | maculaura cerebrosa | species | 33 | 0 |
| united states | oregon | maculaura magna | species | 40 | 0 |
| united states | oregon | maculaura oregonensis | species | 17 | 0 |
| united states | oregon | micrura sp. 3 tch-2015 | species | 3 | 0 |
| united states | oregon | micrura sp. 4 mh-2017 | species | 3 | 0 |
| united states | oregon | micrura sp. 4 tch-2015 | species | 9 | 0 |
| united states | oregon | micrura sp. 5 tch-2015 | species | 1 | 0 |
| united states | oregon | micrura sp. albocephala | species | 46 | 0 |
| united states | oregon | micrura sp. dark | species | 50 | 0 |
| united states | oregon | micrura sp. not coei | species | 3 | 0 |
| united states | oregon | micrura verrilli | species | 4 | 0 |
| united states | oregon | micrura wilsoni | species | 13 | 0 |
| united states | oregon | ramphogordius sanguineus | species | 11 | 0 |
| united states | virginia | micrura leidyi | species | 6 | 0 |
| united states | washington | maculaura alaskensis | species | 17 | 0 |
| united states | washington | micrura verrilli | species | 1 | 0 |
| vietnam | | lineidae sp. nembar0977 | species | 1 | 0 |