FIGURE 17 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 17. Argeneuthria cerealis (Rochebrune & Mabille, 1885). A–B. MACN-In 33772, Puerto Cook, Staten Is. C–D. MACN-In 33772. E. External and internal view of the operculum, scale bar = 500 µm. F–G. MACN-In 33772, SEM pictures; scale bar = 5 mm for all shells; H. SEM picture of a recently hatched embryo, scale bar = 500 µm. I–K. Three views of the protoconch, scale bars: J = 400 µm; K, I = 500 µm. L. Penis, critical point dried, scale bar = 500 µm. M. Detail of L, scale bar = 200 µm.