Two New Species of Freshwater Planarian (Platyhelminthes, Tricladida, Dugesiidae, <i>Dugesia</i>) from Southern China Exhibit Unusual Karyotypes, with a Discussion on Reproduction in Aneuploid Species

<div><i>Dugesia musculosa</i>. Sagittal reconstruction of the copulatory apparatus of holotype ZMHNU-YFXHA4. (a) Female copulatory apparatus. (b) Male copulatory apparatus. Scale bar: 100 <i>μ</i>m. Abbreviations: bc: bursal canal; ca: common atrium; cb: copulatory bursa; cg: cement glands; cpg: cyanophil penis glands; d: diaphragm; ed: ejaculatory duct; epg: erythrophil penis glands; gd: gonoduct; go: gonopore; lod: left oviduct; lvd: left vas deferens; ma: male atrium; pp: penis papilla; rod: right oviduct; rvd: right vas deferens; sg: shell glands; sv: seminal vesicle.</div>

Journal of Zoological Systematics and Evolutionary Research

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Figure 9

Figure 9: Two New Species of Freshwater Planarian (Platyhelminthes, Tricladida, Dugesiidae, <i>Dugesia</i>) from Southern China Exhibit Unusual Karyotypes, with a Discussion on Reproduction in Aneuploid Species 

Figure 9 | Two New Species of Freshwater Planarian (Platyhelminthes, Tricladida, Dugesiidae, Dugesia) from Southern China Exhibit Unusual Karyotypes, with a Discussion on Reproduction in Aneuploid Species 