Imogine mexicanus Salgado-Maldonado & Lopez-Jimenez 1980

Imogine mexicanus Salgado-Maldonado & López-Jiménez, 1980 Imogine mexicanus Salgado-Maldonado & López-Jiménez, 1980: 14 –15, 22–28, figs 1–4, 5a–c, 6–8 (type locality: San Blas Nayarit, Mexico). Distribution San Blas Nayarit, Mexico. Habitat Symbiont (mantle cavities of Crassostrea corteziensis (Hertlein, 1951)). Remarks Imogine mexicanus is characterized by an ovoid body. In vivo the species exhibits greenish-brown coloration with black pigments distributed homogeneously in the dorsal region; ventrally it is light brown with a reddish halo towards the posterior end of the body denoting the female genital pore. Postfixation the dorsal coloration becomes grayish with black dots. The species has cerebral eyes, marginal eyes distributed throughout the periphery of the body, and tentacular eyes distributed at the base of the conspicuous nuchal tentacles. The male reproductive system features an elongate tripartite seminal vesicle, an ovoid prostatic vesicle, and an inert penis papilla protected by a penis sheath. The female reproductive system has a tubular vagina.