Question 1
Question 2
Question 3
Question 4
Question 15
Question 17
Question 18
Question 21
Question 26
Question 29
Question 30

31a. Leg 4 endopod segment 2 inner margin with 2 setae and terminal segment at least twice as long as wide.

Diacyclops navus

31b. Leg 4 endopod segment 2 inner margin with 1 seta and terminal segment slightly longer than broad.

Diacyclops nearcticus