Assessing the Continuous Impact of Tributyltin from Antifouling Paints in a Brazilian Mangrove Area Using Intersex in Littoraria angulifera (Lamarck, 1822) as Biomarker
Figure 3
Specimens of L. angulifera. (a) Shell; (b) male, shell removed; (c) normal female, shell removed; (d) intersex female in stage 3, shell removed; CG: capsule gland; VO: vaginal opening; Pr: prostate; SG: seminal groove; P: penis; DG: discoidal gland.