Fig. 7 in Revision of the larger cannibal snails (Natalina s. l.) of southern Africa - Natalina s. s., Afrorhytida and Capitina (Mollusca: Gastropoda: Rhytididae)

Fig. 7. Pulmonary anatomy of Natalina, Afrorhytida and Capitina (all NMSA): (A) N. cafra cafra (W4220); (B) A. knysnaensis (W5211); (C) C. schaerfiae (W5672). Abbreviations: au – auricle, kid – kidney, pn – pneumostome, pu – primary ureter, pv – pulmonary vein, rec – rectum, su – secondary ureter, uf – ureteric fold on rectum, up – ureteric pore, uv – ureteric vein, ven – ventricle.