Species;"Collection information";"Specimen ID";"Genbank accession numbers";ITS;CO1;H3 "Achaeta multisacculata sp. n.";"Korea, site 9, 26.09.2016, coll. Y. Hong";1138;MH128727;MH124584;– "Korea, site 8, 26.09.2016, coll. Y. Hong";1143;MH128728;MH124585;– "Achaeta aberrans";"(see reference Erséus et al. 2010)";CE875;–;GU902030;– "Achaeta affinis";"(see reference Dózsa-Farkas and Felföldi 2017)";919;KY583122;KY583145;– "Achaeta bibulba";"(see reference Erséus et al. 2010)";CE1206;–;GU902031;– "Achaeta bifollicula";CE1035;–;GU902032;– "Achaeta bohemica";"(see reference Dózsa-Farkas and Felföldi 2017)";849;KY583110;KY583128;– "Achaeta camerani";902;KY583126;KY583143;– "Achaeta cf. brevivasa";"(see reference Erséus et al. 2010)";CE1234;–;GU902034;– "Achaeta cf. danica";"(see reference Dózsa-Farkas and Felföldi 2017)";866;KY583118;KY583137;– "Achaeta iberica";"(see reference Erséus et al. 2010)";CE1051;–;GU902036;– "Achaeta koreana";"(see reference Dózsa-Farkas et al. 2018)";998;MG252199;–;– "Achaeta macroampullacea";1091;MG252200;MG252131;– "Achaeta tothi";"(see reference Dózsa-Farkas and Felföldi 2017)";853;KY583113;KY583131;– "Achaeta unibulba";848;KY583109;KY583127;– "Hemienchytraeus sp. (outgroup)";"(see references Erséus et al. 2010 and Dózsa-Farkas and Felföldi 2017)";CE1578;–;GU902080;– 686;KY583108;–; "Fridericia floriformis sp. n.";"Korea, Gwaneumsa Trail, Mt. Hallasan, coordinates: 33.41667°N, 126.55000°E, 634 m asl., 27.10.2016, coll. Y. Hong.";1088;MH128733;MH124586;MH124597 "Korea, site 9, 26.09.2016, coll. Y. Hong";"1133 (H)";MH128730;MH124587;– "1134 (P)";MH128731;MH124588;– 1136;MH128729;MH124589;MH124598 "Fridericia cf. paroniana";"Korea, Seongpanak Trail, Mt. Hallasan, coordinates: 33.37111°N, 126.56433°E, 1352 m asl., 17.08.2016, coll. Y. Hong";1056;–;MH124590;MH124599 1057;–;MH124591;MH124600 1148;–;MH124592;MH124601 1152;–;MH124593;MH124602 "Fridericia cf. sphaerica";"Korea, site 6, 29.09.2016, coll. Y. Hong";1068;MH128732;MH124594;MH124603 "Fridericia cusanicaformis";"(see reference Dózsa-Farkas et al. 2015)";683;KR872373;KR872339;MH124604 "Fridericia dura";"(see references Dózsa-Farkas and Felföldi 2018 and Nagy et al. 2018)";907;MF547696;–;KX985894 "Fridericia galba";"(see reference Nagy et al. 2018)";1103;MF547697;MF547667;MF547688 1123;MF547698;MF547668;MF547693 "Fridericia granulocyta";"(see reference Dózsa-Farkas et al. 2015)";672;KR872378;KR872344;KR872354 "(see reference Dózsa-Farkas et al. 2015 Korea, site 7, 29.09.2016";822;MH128734;MH124595;– 1174;MH128735;MH124596;MH124605 "Fridericia peregrinabunda";"(see reference Dózsa-Farkas et al. 2015)";656;KR872375;KR872338;KR872351 "Fridericia ratzeli";"(see reference Dózsa-Farkas and Felföldi 2018)";844;KX985875;KX985884;KX985895 ;"(see reference Erséus et al. 2010)";CE782;–;GU902070;– "Fridericia raxiensis";"(see reference Dózsa-Farkas and Felföldi 2018)";879;KX985868;MG921590;KX985885 "Fridericia regularis";"(see reference Nagy et al. 2018)";782;MF547703;–;MF547682 "Fridericia seoraksani";"(see reference Dózsa-Farkas et al. 2015)";679;KR872374;KR872340;KR872356 ;;823;KR872372;KR872342;KR872353 "Fridericia sphaerica";"(see reference Dózsa-Farkas et al. 2015)";820;KR872370;KR872334;KR872349 "Fridericia ventrochaetosa";"(see reference Nagy et al. 2018)";1114;MF547700;MF547676;MF547690 "Hemifridericia parva (outgroup)";"(see reference Dózsa-Farkas and Felföldi 2015)";511a;KM591939;KM591923;KM591931