Ancestreuma subulatum Mikhaljova, 2000
Ancestreuma subulatum Mikhaljova 2000: 157, figs.
Ancestreuma subulatum — Mikhaljova & Golovatch 2001: 109; Mikhaljova 2004: 107, figs, map; 2017: 134, figs, map.
Distribution. Russia: Siberia (Irkutskaya Oblast).
Remarks. This species was originally described from the Irkutskaya Oblast, Siberia (Mikhaljova 2000). Known only from its terra typica.