Paraplehnia seisuiae sp. nov., ICHUM 5345 (holotype), photographs taken in life and eyespots observed in sections. A Dorsal view B ventral view C marginal eyespot (inset showing magnification of black box) D cerebral eyespot (inset showing magnification of black box). Abbreviations: br brain ce cerebral eyespot fg female gonopore m mouth me marginal eyespot mg male gonopore ov oviduct ph pharynx sd sperm duct. Scale bar: 10 mm (A, B); 600 μm (C, D); 20 μm (insets in C, D).,

 
 
  Part of: Oya Y, Kimura T, Kajihara H (2019) Description of a new species of Paraplehnia (Polycladida, Stylochoidea) from Japan, with inference on the phylogenetic position of Plehniidae. ZooKeys 864: 1-13. https://doi.org/10.3897/zookeys.864.33955