Omalogyra burdwoodiana Strebel, 1908
Figs. 5E, F
Homalogyra? atomus var. burdwoodianus Strebel, 1908: 52, pl. 6, figs. 85a–c
Omalogyra burdwoodiana — Zelaya, 2005: 128, fig. 55
Examined material. 3 sh. (MACN-In 40701).
Description. Shell width to 0.8 mm (up to 1.3 mm according to Zelaya 2005); planispiral, delicate. Teleoconch of 1.5 whorls, markedly convex in outline. Suture deep, markedly channeled. Surface white; sculptured with about 25 axial threads, and a very thin spiral cord that runs along the central part of whorls (not visible in the figures). Aperture rounded, interior white. Umbilicus wide.