Figure 4 from: Campbell DC, Clark SA, Lydeard C (2017) Phylogenetic analysis of the Lancinae (Gastropoda, Lymnaeidae) with a description of the U.S. federally endangered Banbury Springs lanx. ZooKeys 663: 107-132. https://doi.org/10.3897/zookeys.663.11320

Figure 4 - Reproductive anatomy, holotype of Idaholanx fresti sp. n. AG albumen gland BW body wall NG nidamental gland O oviduct OT ovotestis P penis PB pyriform body PG prostate gland PS penial sheath S spermatheca SD spermathecal duct SV seminal vesicle U uterus V vagina VD vas deferens.