| antarctica | | cephalothrix sp. a rg-2014 | species | 2 | 0 |
| antarctica | | cephalothrix sp. b rg-2014 | species | 2 | 0 |
| antarctica | | cf. cephalothrix sp. dh-2009 | species | 3 | 0 |
| argentina | chubut province | cephalothrix sp. 1 am-2014 | species | 7 | 0 |
| belize | | cephalothrix alba | species | 2 | 0 |
| belize | | cephalothrix fasciculus | species | 1 | 0 |
| belize | | cephalothrix sp. 4 fl-2014 | species | 1 | 0 |
| belize | | cephalothrix sp. 5 fl-2014 | species | 1 | 0 |
| chile | | cephalothrix hermaphroditicus | species | 5 | 0 |
| chile | | palaeonemertea sp. nembar0887 | species | 1 | 0 |
| chile | | palaeonemertea sp. nembar0898 | species | 1 | 0 |
| chile | | palaeonemertea sp. nembar0911 | species | 1 | 0 |
| china | | cephalothrix simula | species | 2 | 0 |
| china | | cephalothrix sp. scs-2010 | species | 1 | 0 |
| china | | hubrechtella ijimai | species | 1 | 0 |
| china | guangdong | cephalothrix hongkongiensis | species | 1 | 0 |
| china | henan | cephalothrix sp. 16 hc-2011 | species | 1 | 0 |
| china | inner mongolia | cephalothrix hongkongiensis | species | 3 | 0 |
| china | shandong | cephalothrix simula | species | 3 | 0 |
| china | shandong | cephalothrix sp. 16 hc-2011 | species | 1 | 0 |
| china | shandong | cephalothrix sp. 3 hc-2011 | species | 4 | 0 |
| china | shandong | cephalothrix sp. 5 hc-2011 | species | 3 | 0 |
| china | zhejiang | cephalothrix sp. 16 hc-2011 | species | 1 | 0 |
| france | bretagne region | cephalothrix hermaphroditicus | species | 1 | 0 |
| france | bretagne region | cephalothrix sp. 14 hc-2011 | species | 4 | 0 |
| france | bretagne region | cephalothrix sp. 4 hc-2011 | species | 3 | 0 |
| france | bretagne region | tubulanus polymorphus | species | 4 | 0 |
| france | bretagne region | tubulanus superbus | species | 2 | 0 |
| french polynesia | | cephalothrix sp. bmoo-08361 | species | 1 | 0 |
| hong kong | | cephalothrix hongkongiensis | species | 3 | 0 |
| italy | friuli-venezia giulia autonomous region | cephalothrix simula | species | 1 | 0 |
| japan | | carinina plecta | species | 1 | 0 |
| japan | | carinoma sp. sa-2011 | species | 5 | 0 |
| japan | | hubrechtella ijimai | species | 5 | 0 |
| japan | aichi prefecture | cephalothrix sp. 11 hc-2011 | species | 1 | 0 |
| japan | aichi prefecture | cephalothrix sp. 12 hc-2011 | species | 37 | 0 |
| japan | aichi prefecture | cephalothrix sp. 3 hc-2011 | species | 5 | 0 |
| japan | ehime prefecture | cephalothrix sp. 3 hc-2011 | species | 32 | 0 |
| japan | hokkaido prefecture | cephalothrix filiformis | species | 3 | 0 |
| japan | hokkaido prefecture | tubulanus ezoensis | species | 1 | 0 |
| japan | kumamoto prefecture | tubulanus tamias | species | 8 | 0 |
| japan | nagasaki prefecture | cephalothrix fasciculus | species | 2 | 0 |
| japan | nagasaki prefecture | cephalothrix sp. 3 hc-2011 | species | 1 | 0 |
| norway | | cephalothrix cf. linearis nembar1137 | species | 1 | 0 |
| norway | sor-trondelag county | hubrechtella cf. dubia bold:aad3042 | species | 1 | 0 |
| panama | | cephalothrix alba | species | 3 | 0 |
| panama | | cephalothrix sp. 10 hc-2011 | species | 1 | 0 |
| panama | | cephalothrix sp. 15 hc-2011 | species | 3 | 0 |
| panama | | cephalothrix sp. 6 fl-2014 | species | 1 | 0 |
| panama | | cephalothrix sp. 9 hc-2011 | species | 1 | 0 |
| panama | | hubrechtella dubia | species | 2 | 0 |
| panama | | hubrechtella sp. tch-2015 | species | 1 | 0 |
| panama | | hubrechtidae sp. mcz iz 25168 | species | 5 | 0 |
| philippines | | callinera emiliae | species | 3 | 0 |
| russia | | callinera kasyanovi | species | 4 | 0 |
| russia | | callinera sp. mcz iz 45635 | species | 4 | 0 |
| russia | | carinina sp. mcz iz 45550 | species | 4 | 0 |
| russia | | cephalothrix iwatai | species | 4 | 0 |
| russia | | cephalothrix linearis | species | 3 | 0 |
| russia | | cephalothrix simula | species | 1 | 0 |
| russia | | cephalothrix sp. 3 hc-2011 | species | 1 | 0 |
| russia | | hubrechtella juliae | species | 4 | 0 |
| russia | | palaeonemertea sp. mcz iz 45654 | species | 2 | 0 |
| russia | | tubulanidae sp. mcz iz 45554 | species | 4 | 0 |
| russia | | tubulanidae sp. mcz iz 45557 | species | 3 | 0 |
| russia | | tubulanidae sp. mcz iz 45651 | species | 3 | 0 |
| russia | | tubulanidae sp. nembar0841 | species | 1 | 0 |
| russia | | tubulanus punctatus | species | 5 | 0 |
| russia | | tubulanus sp. mcz iz 45552 | species | 4 | 0 |
| russia | | tubulanus sp. mcz iz 45559 | species | 4 | 0 |
| russia | primorsky krai | callinera sp. ms-2008 | species | 1 | 0 |
| russia | primorsky krai | cephalothrix filiformis | species | 9 | 0 |
| russia | primorsky krai | tubulanidae sp. ms-2008 | species | 2 | 0 |
| russia | sakhalin oblast | cephalothrix simula | species | 1 | 0 |
| south korea | | cephalothrix sp. 16 hc-2011 | species | 1 | 0 |
| south korea | | cephalothrix sp. 3 hc-2011 | species | 1 | 0 |
| south korea | | hubrechtella ijimai | species | 1 | 0 |
| south korea | jeju province | cephalothrix simula | species | 4 | 0 |
| spain | | cephalothrix bipunctata | species | 5 | 0 |
| spain | | cephalothrix sp. 8 hc-2011 | species | 1 | 0 |
| spain | asturias | carinina ochracea | species | 5 | 0 |
| spain | asturias | cephalothrix cf. simula am-2013 | species | 2 | 0 |
| spain | asturias | cephalothrix sp. 2 am-2014 | species | 412 | 0 |
| spain | cantabria | cephalothrix cf. simula am-2013 | species | 3 | 0 |
| spain | cantabria | cephalothrix simula | species | 2 | 0 |
| spain | galicia | cephalothrix cf. simula am-2013 | species | 2 | 0 |
| spain | galicia | cephalothrix sp. 1 am-2014 | species | 33 | 0 |
| sweden | | callinera grandis | species | 2 | 0 |
| sweden | | carinina ochracea | species | 1 | 0 |
| sweden | | cephalothrix arenaria | species | 1 | 0 |
| sweden | | cephalothrix rufifrons | species | 46 | 0 |
| sweden | | hubrechtella dubia | species | 50 | 0 |
| sweden | | hubrechtella sp. nembar0589 | species | 1 | 0 |
| sweden | | tubulanus annulatus | species | 1 | 0 |
| sweden | | tubulanus lutescens | species | 2 | 0 |
| sweden | | tubulanus superbus | species | 1 | 0 |
| united kingdom | | cephalothrix filiformis | species | 2 | 0 |
| united kingdom | | cephalothrix rufifrons | species | 6 | 0 |
| united states | | carinina sp. chocolate | species | 2 | 0 |
| united states | | hubrechtella cf. dubia mls-2006 | species | 2 | 0 |
| united states | alaska | cephalothrix spiralis | species | 4 | 0 |
| united states | california | cephalothrix sp. 6 hc-2011 | species | 2 | 0 |
| united states | florida | cephalothrix sp. 6 hc-2011 | species | 2 | 0 |
| united states | florida | hubrechtella cf. dubia mls-2006 | species | 1 | 0 |
| united states | hawaii | cephalothrix sp. 2 hc-2011 | species | 2 | 0 |
| united states | hawaii | tubulanus pellucidus | species | 1 | 0 |
| united states | maine | cephalothrix spiralis | species | 12 | 0 |
| united states | oregon | carinina sp. chocolate | species | 15 | 0 |
| united states | oregon | carinoma mutabilis | species | 15 | 0 |
| united states | oregon | carinoma sp. 5 tch-2015 | species | 2 | 0 |
| united states | oregon | carinoma sp. sa-2011 | species | 8 | 0 |
| united states | oregon | carinoma sp. white | species | 9 | 0 |
| united states | oregon | carinoma sp. yellowback | species | 7 | 0 |
| united states | oregon | cephalothrix cf. spiralis tch-2016 | species | 2 | 0 |
| united states | oregon | cephalothrix major | species | 5 | 0 |
| united states | oregon | cephalothrix sp. 1 tch-2015 | species | 15 | 0 |
| united states | oregon | cephalothrix sp. 2 tch-2015 | species | 5 | 0 |
| united states | oregon | cephalothrix sp. 3 tch-2015 | species | 1 | 0 |
| united states | oregon | cephalothrix sp. 4 tch-2015 | species | 7 | 0 |
| united states | oregon | cephalothrix spiralis | species | 18 | 0 |
| united states | oregon | hubrechtella juliae | species | 8 | 0 |
| united states | oregon | tubulanus polymorphus | species | 2 | 0 |
| united states | oregon | tubulanus ruber | species | 3 | 0 |
| united states | oregon | tubulanus sexlineatus | species | 8 | 0 |
| united states | oregon | tubulanus sp. 1 tch-2015 | species | 14 | 0 |
| united states | oregon | tubulanus sp. 2 tch-2015 | species | 6 | 0 |
| united states | oregon | tubulanus sp. 3 tch-2015 | species | 4 | 0 |
| united states | washington | cephalothrix spiralis | species | 1 | 0 |
| united states | washington | tubulanus polymorphus | species | 1 | 0 |
| united states | washington | tubulanus sexlineatus | species | 1 | 0 |
| vietnam | | cephalothrix cf. alba mcz iz 45638 | species | 4 | 0 |
| vietnam | | cephalothrix cf. alba nembar0973 | species | 1 | 0 |
| vietnam | | cephalothrix cf. alba nembar0974 | species | 1 | 0 |
| vietnam | | cephalothrix sp. 13 hc-2011 | species | 1 | 0 |
| vietnam | | cephalothrix sp. nembar0971 | species | 1 | 0 |
| vietnam | | tubulanidae sp. nembar0980 | species | 1 | 0 |
| vietnam | | tubulanus sp. mcz iz 45633 | species | 3 | 0 |