Porcellidiidae Boeck, 1865

Lee, Seunghan, Kim, Jaehyun & Lee, Wonchoel, 2023, New record of the family Porcellidiidae Boeck, 1865 (Harpacticoida, Copepoda) in Korea, Journal of Species Research 12 (1), pp. 27-37 : 36-37

Key to species of the family Porcellidiidae Boeck, 1865 in Korea

1. Presence of seta IV on female caudal rami ·············· 2

- 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