Sars, 1905
Females: Caudal setae not spread out; anterior Ce, viewed laterally, with small point:. More characters can be accessed by backtracking the key:
Page 689
Males: Posterior corners of Pd5 rounded; caudal setae not spread out. More characters can be accessed by backtracking the key:
Page 948: Copepoda: Genus Arietellus males