FIGURE 15 in Five new deep-sea species of nudibranchs (Gastropoda: Heterobranchia: Cladobranchia) from the Northeast Pacific

FIGURE 15. Photographs of ventral, lateral and dorsal views of the external morphology of preserved specimens of several Aeolidida. A–B. Holotype of Cuthona methana sp. nov. (SIO-BIC M12413), A. Ventral view of the head; B, Lateral view of the anterior portion of the body. C–D. Paratype of Cuthona methana sp. nov. (SIO-BIC M12412), C. Ventral view of the head; D, Lateral view of the anterior portion of the body. E–F. Specimen of Zeusia herculea (Linnaeus, 1761) (SIO-BIC M12136), E. Ventral view of the head; F, Dorsal view of the head. G–H. Holotype of Aeolidia libitinaria sp. nov. (SIO-BIC M12138), G. Ventral view of the head; H, Dorsal view of the head. Abbreviations: a, anus; ot, oral tentacle; pe, penis; rh, rhinophores; ro, reproductive opening.