Calanus agulhensis

De Decker, Kaczmaruk and Marska, 1991

Females: Posterior corners of Pr rounded; 2.45-2.95 mm. More characters can be accessed by backtracking the key:
Page 632

Males: Right P5 Exp extends more than half way along left Exp2; right P5 about 1.5-1.6 times shorter than left P5; 2.74-3.00 mm. More characters can be accessed by backtracking the key:
Page 1052

In practice Calanus agulhensis De Decker, Kaczmaruk and Marska, 1991 and Calanus australis Brodsky, 1959 are very difficult to distinguish, as previously mentioned (Bradford-Grieve, 1994).