Marcus E 1949 (citation) pg. 100: 'Mesoda (Figs. 65-69) has the vaginal pore very near the male pore, like Coleophora, Archiloa, and Archilopsis, but the vagina opens independently from the male atrium. The body-shape and the position of the pharynx of M. gabriellae resemble A. rivularis, but the new form is smaller (up to 1.5 mm) and has a posterior bursa (bursa resorbiens) without open communication with the intestine. Besides the peculiar conditions of the epidermic nuclei, depressed in the prae-cerebral region, normal in the rest of the body, the compact cephalic and caudal intestine (Fig. 66, h, j) and the cirrus are remarkable sighns of M. gabriellae. The species is protedrandrous and the ovocytes are inseminated while still in the ovary (Fig. 66, o).'
Notes from synonyms
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