FIGURE 1 in Revision of Family Megacalanidae (Copepoda: Calanoida)

FIGURE 1. Diagram illustrating how measurements were made: A, dorsal view of female Megacalanus princeps; B, dorsal view of urosome of female Bathycalanus tumidus (Gns = genital double-somite); C, female antennule ancestral segments I–IV of Megacalanus ohmani; D, lateral view of urosome (Ur) of male Bathycalanus bradyi. E, intrinsic musculature of male Megacalanus princeps right antennule, ancestral segments XVIII–XXIII.