FIGURE 4. Gieysztoria choctaw n in Freshwater Dalyelliidae from the Nearctic (Platyhelminthes, Rhabdocoela): new taxa and records from Ontario, Canada and Michigan and Alabama, USA

FIGURE 4. Gieysztoria choctaw n. sp. (A) Habitus from a substrate-attached, live animal, dorsal view. (B) Habitus from a swimming, live animal, dorsal view. (C) Habitus from a substrate-attached, live animal, lateral view. (D) Internal organisation from a live animal based on a squash preparation. (E) Stylet (holotype). (F) Reconstruction of the genital system from the right hand side.