Heterocorixa brasiliensis

(Figs. 7–9)

Chorionic surface with smooth polygonal units, delimited by clearly distinguishable raised edges (Fig. 8); fine pores not distinguishable. The polygonal units are also present in the transitional zone to the stalk (Fig. 9). There is no nipple structure on the anterior micropylar flat area (Fig. 7).

Additional data. Shape elongate, oval; color yellow; flattened at one side, with a very long stalk (Fig. 9).