FIGURES 19–24 in Seguenziidae (Gastropoda: Vetigastropoda) from SE Brazil collected by the Marion Dufresne (MD 55) expedition

FIGURES 19–24. Seguenzia from the MD55 expedition. 19–21. Seguenzia elegans from Espírito Santo; 19. MNHN (MD 55 sta DC70), apertural view (H = 2.8 mm); 20. Same, lateral view under SEM; 21. Same, protoconch detail under SEM (scale bar = 0.1 mm); 22–24. Seguenzia formosa from Espírito Santo; 22. MNHN (MD55 sta DC70), apertural view (H = 3.3 mm); 23. MNHN (MD55 sta DC72), slightly lateral view under SEM (H = 3.4 mm); 24. Same, protoconch detail under SEM (scale bar = 0.1 mm).