Published May 28, 2026 | Version v1

Figure 6 from: Su Y-F, Yu F-Y, Wu F, Wang J-Y, Sluys R, Liu D-Z, Wang L, Dong Z-M, Chen G-W (2026) Unveiling cryptic diversity: two new species of Dugesia from northern China, including one sibling species (Platyhelminthes, Tricladida, Dugesiidae). Zoosystematics and Evolution 102(3): 783-805. https://doi.org/10.3897/zse.102.181547

  • 1. College of Life Science, Henan Normal University, Xinxiang, China
  • 2. Naturalis Biodiversity Center, Leiden, Netherlands

Description

Figure 6 Dugesia cylindrica. Photomicrographs. A. Sagittal section of holotype LMG3, showing penis papilla, seminal vesicle, diaphragm, male atrium, oviduct, and copulatory bursa; B. Sagittal section of holotype LMG3, showing penis papilla, openings of ejaculatory duct, male atrium, oviduct, and copulatory bursa; C. Sagittal section of paratype LMG6, showing penis papilla, seminal vesicle, ejaculatory duct, common atrium, male atrium, and gonopore; D. Transverse section of paratype LMG7, showing seminal vesicle and symmetric openings of vasa deferentia; E. Transverse section of paratype LMG10, showing symmetric openings of the two oviducts; F. Horizontal section of paratype LMG8, showing penis papilla, seminal vesicle, and ejaculatory duct. Scale bars: 100 μm.

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Journal article: 10.3897/zse.102.181547 (DOI)
Journal article: https://zenodo.org/record/20456118 (URL)