Spectamen spec. 1

(Figure 58)

Material. AndaDeVos (1); Tiep 3 (1).

Characterization. Material probably consists of juveniles; shell low, H 0.7 mm, W 1.0 mm; P of 1.1 whorls with 3 spiral ribs, DN 0.15 mm; P/T boundary thin slightly raised axial rib; T with 6 primary low rounded spiral ribs; body whorl with 3 keels; aperture trapezoid; umbilical ridge beaded; umbilicus wide.