Proposal of Marbefia, gen. n. and Inermiphonte, gen. n., including updated keys to the species of Pseudonychocamptus Lang, 1944 and Paralaophonte Lang, 1948 (Copepoda, Harpacticoida, Laophontidae) Huys, Rony Lee, Wonchoel ZooKeys 2009 2009-10-06 23 23 1 38 Lang, 1948 Lang 1944 [391,708,166,193] Maxillopoda Laophontidae Paralaophonte Animalia Harpacticoida 21 22 Arthropoda genus    1. Caudal rami broadly lamellar, close together, with seta V very short ........... 2  – Caudal rami usually cylindrical, with seta V elongate.................................. 3   2. P1 exopod 2-segmented; P3 exp-3 with 1 inner seta; P4 exp-3 with 7 setae/spines; P3 exopod ♁ 2-segmented; P5 exopod ♁ with 4 spines.........  P. aenigmaticum  – P1 exopod 3-segmented; P3 exp-3 with 2 inner setae; P4 exp-3 with 4 setae/spines; P3 exopod ♁ 3-segmented; P5 exopod ♁ with 5 setae...........  P. asellopsiformis   3. P1 exopod 2-segmented, with 4 setae on exp-2; maxillipeds very large and specialized................................................................................  P. harpagone  – P1 exopod 3-segmented with 4 setae on exp-3, or 2-segmented with 5 setae on exp-2 ..................................................................................................... 4   4. P3 exp-3 with 1 inner seta .......................................................................... 5  – P3 exp-3 with 2 inner setae....................................................................... 15   5. P4 enp-2 with 3 elements (formula 120)..................................................... 6  – P4 enp-2 with 4 elements (formula 121)..................................................... 7   6. Caudal ramus about 1.5 times as long as wide .............................  P. kolarovi  – Caudal ramus at least twice as long as wide..............................  P. livingstoni   7. P1 exopod 2-segmented.............................................................................. 8  – P1 exopod 3-segmented............................................................................ 12   8. Caudal ramus conical and about 3 times as long as wide; P5 endopodal lobe ♀with 3 setae..............................................................................  P. longipes  – Caudal ramus cylindrical and not more than twice as long as wide; P5 endopodal lobe ♀with 4 setae........................................................................ 9   9. P5 exopod ♀with 4 setae; P3 exp-3 ♁ with 7 setae/spines........  P. karmensis  – P5 exopod ♀with 5 setae; P3 exp-3 ♁ with at most 6 setae/spines........... 10   10. First and second abdominal somites with dorsal bilobate lappets; second antennulary segment ♀without protuberance; P5 ♁ with 5 setae on exopod and 1 on endopodal lobe ...............................................................  P. lunata  – First and second abdominal somites without dorsal bilobate lappets; second antennulary segment ♀with small conical protuberance; P5 ♁ with different armature ................................................................................................... 11   11. Caudal ramus 1.5 times as long as wide; P5 ♁ with 5 setae on exopod and none on endopodal lobe .....................................................  P. spitzbergensis  – Caudal ramus twice as long as wide; P5 ♁ with 4 setae on exopod and 1 on endopodal lobe ...............................................................................  P. tenera   12. Abdominal somites with a middorsal spinous process; P3 enp- 2 ♀with 4 elements; P3 endopod ♁ 2-segmented ...................................  P. quaterspinata 2608819376 V 22 23 1 1