FIGURE 4 in Revision of the genera Pareuthria Strebel, 1905, Glypteuthria Strebel, 1905 and Meteuthria Thiele, 1912 (Gastropoda: Buccinulidae) with the description of three new genera and two new species from Southwestern Atlantic waters

FIGURE 4. Pareuthria atrata (E.A. Smith, 1881). A. Radula, MACN-In 1033, scale bar = 20 µm. B. Radula, scale bar = 70 µm. C. Radular variation, MACN-In 22083, scale bar = 100 µm. D. Penis, critical point dried, scale bar = 1 mm. E. Detail of the tip of the penis with papilla, scale bar = 200 µm. F. Two views of the same protoconch, MACN-In 1033, scale bar = 500 µm. G. External views of two opercula, both from MACN 1033, right from the same spm. in Fig. 3M, scale bar = 1 mm.