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

32a. Proctodeal spinules arranged in a patch. Leg 4 exopod terminal segment with inner terminal seta one-third to one-half length of adjacent terminal spine.

Acanthocyclops brevispinosus

32b. Proctodeal spinules in a single row. Leg 4 exopod terminal segment with inner terminal spine or seta subequal (0.8-1.20) to adjacent terminal spine.

Question 35