FIGURE 27 in Mesoparasitic copepods (Copepoda: Cyclopoida) associated with polychaete worms in European seas

FIGURE 27. Xenocoeloma alleni (Brumpt, 1897). A, ectosoma of ovigerous female from Amaeana trilobata; B, ectosoma of ovigerous female from Polycirrus norvegicus caught in Norwegian waters. Xenocoeloma brumpti Caullery & Mesnil, 1915. C. ectosoma of ovigerous female from Polycirrus norvegicus caught in Liverpool Bay. Xenocoeloma orbicularis sp. nov. ovigerous female holotype. D, ectosoma, dorsal view showing paired eggs sacs emerging from common pore; E, same, lateral. Aphanodomus terebellae (Levinsen, 1878) adult female, F, habitus with 1 multiseriate and 1 spent egg sac. Scale bars: A, B, C, F, 1.0 mm; D, E, 0.5 mm.