New record of the family Porcellidiidae Boeck, 1865 (Harpacticoida, Copepoda) in Korea Author Lee, Seunghan Biodiversity Research Institute, Marine Act Co., Seoul 04790, Republic of Korea Author Kim, Jaehyun Department of Life Science, Hanyang University, Seoul 04763, Republic of Korea Author Lee, Wonchoel Department of Life Science, Hanyang University, Seoul 04763, Republic of Korea wlee@hanyang.ac.kr text Journal of Species Research 2023 2023-02-28 12 1 27 37 journal article 276862 10.12651/JSR.2023.12.1.027 1207b7cf-9922-42d0-b747-fb96949fa91b 2713-8615 8120169 Key to species of the family Porcellidiidae Boeck, 1865 in Korea 1. Presence of seta IV on female caudal rami ·············· 2 Fig. 7. Reported localities of Porcellidiid species in Korea. 1. Wando; 2. Dolsando; 3. Maemuldo; 4. Haeundae; 5. Gijang; 6. Gori; 7. Guryongpo; 8. Weolpo; 9. Gangneung; 10. Namae; 11. Ulleungdo; 12. Dokdo; 13. Chujado; 14. Hanrim; 15. Munseom. - Absence of seta IV on female caudal rami················· ··························································· Kensakia acuta 2. Female caudal rami rhomboidal or trapezoidal shaped ·················································································· 3 - Female caudal rami not rhomboidal shaped (rectangular or pentagonal) ······················································ 4 3. P3 and P4 endopod-3 with four and three setae········· ························································· Kioloaria paguri - P3 and P4 endopod-3 with five and four setae··········· ······················································ Kioloaria jejuensis 4. Female caudal rami pentagonal shaped ··················· 5 - Female caudal rami square or rectangular shaped ··· 6 5. Length of female P5 distal seta 1 is similar with seta 2 ···················································· Kushia zosteraphila - Length of female P5 distal seta 1 is shorter than seta 2 ······························································ Kushia gamoi 6. Female P5 extend to posterior margin of caudal rami ························································· Kioloaria similis - Female P5 not extend to posterior margin of caudal rami··········································································· 7 7. Seta I of female caudal rami locates on distal half surface of caudal rami········ Porcellidium brevicavum - Seta I of female caudal rami locates on middle surface of caudal rami··················································· 8 8. Basis of maxilliped without fimbriate edge ··············· ············································· Dilatatiocauda bipartita - Basis of maxilliped with fimbriate edge ·················· 9 9. Male A1 with ‘peg’ like process on proximal surface of 3rd segment ····························· Porcellidium viride - Male A1 without process on 3rd segment·············· 10 10. Lateral edge of female genital double somite with a distinct cleft······························ Porcellidium kiiroum - Lateral edge of female genital double somite with a notch······································································· 11 11. First denticle on 4-segment of Male A1 pointed and comb-like shape ·················· Porcellidium ofunatense - Denticles on 4-segment of Male A1 bulbous shape··· ············································ Porcellidium wandoensis