FIGURE 1. Gieysztoria atalaya n in " Dalyellioida " (Platyhelminthes, Rhabdocoela) from the Río de la Plata estuary in Argentina, with the description of two new species of Gieysztoria

FIGURE 1. Gieysztoria atalaya n. sp. A, photograph of the stylet. B, dorsal general view in vivo. C, reconstruction of the stylet (a, b, and c indicate the three types of spines). D, sagittal reconstruction. Scales A and C: 50 m. Scales B and D: 100 m. For abbreviations see Figure 8.