Giesbrecht, 1892
Females: Specimens 1.59-2.20 mm in length. Pr 2.7-3.2 times longer than Ur. P1 Exp1, 2 and 3 outer spines not reaching base of next spine. P2 Enp1-segmented, exceeding P2 Exp2-3 border. More characters can be accessed by backtracking the key:
Page 857
Males: Points of Pr posterior corners not longer than Gns. Right P5 nearly as long as left. P1 Exp1 and 2 outer spines very short, not reaching middle of next joint. More characters can be accessed by backtracking the key:
Page 1109: Copepoda: Genus Chiridius males