Research Article
Two New Species of Freshwater Planarian (Platyhelminthes, Tricladida, Dugesiidae, Dugesia) from Southern China Exhibit Unusual Karyotypes, with a Discussion on Reproduction in Aneuploid Species
Figure 6
Dugesia pendula. Photomicrographs of sagittal (a–e) and horizontal (f) sections. (a, b) Paratype ZMHNU-LHCA2, showing suspended penis papilla and seminal vesicle. (c, d) Holotype ZMHNU-LHCA3, showing suspended penis papilla, seminal vesicle, diaphragm, and copulatory bursa. (e) Paratype ZMHNU-LHCA9, showing suspended penis papilla, copulatory bursa, diaphragm, and seminal vesicle. (f) Paratype ZMHNU-LHCA5, showing suspended penis papilla, seminal vesicle, and ejaculatory duct. Scale bars: 100 μm. Abbreviations: see the caption of Figure 5.
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