Fig. 19 in Taxonomy and phylogeny of Dalytyphloplanida Willems et al., 2006 (Platyhelminthes: Rhabdocoela), with the description of a new family, a new genus, and sixteen new species from Cuba and Panama

Fig. 19 Trigonostomum vanmecheleni Artois et al., 2013. a Atrial organs. b Bursal appendage. c Hard structures of the copulatory bulb. d, e Mantle plates. f Stylet. a, f From whole mounts. Structures oriented with the anterior end toward the top of the plate