Planche 1 issued from : T.C. Walter in Proc. Biol . Soc. Wash., 1984, 97 (2). [p.377, Fig.3, B-C]. Male (from Cochin, Inda): B, P5 (posterior view); C, idem (anterior view).
Planche 2 Issued from : S. Wellershaus in Veröff. Inst. Meeresforsch. Bremerh., 1969, 11 (2). [p.255, Fig.23]. As Pseudodiaptomus mertoni. Male (from Cochin backwater, S India): 23, P5.
Nota: Thoracic segment 5 with a strong spine on either side; - Triangular spikes on the whole posterior margin of abdominal segments 2, 3 and 4, no additional spinyules on the ventral aspect. - Anal segment yellow, with a pair of small black dots
Scale : single line = 0.1 mm ; double line = 0.05 mm.
Planche 3 Issued from : S. Wellershaus in Veröff. Inst. Meeresforsch. Bremerh., 1969, 11 (2). [p.256]. As Pseudodiaptomus mertoni. Male (from Cochin Backwater, India): Proportion of the abdominal segments and proportional lengths of the caudal setae (in % of the abdominal length).