(Giesbrecht, 1881)
Females: Surface of Gns and Ur2 covered in rows of very small spinules. More characters can be accessed by backtracking the key:
Page 567
Page 772: Copepoda: Genus Ctenocalanus females
Males: Right P5 Exp1 with inner edge spine; left Exp2+3 with 1 fine terminal spine and 1 broad, truncate spine inserted at about midlength. More characters can be accessed by backtracking the key:
Page 984