Ancestreuma sardyk (Shear, 1990)

Diplomaragna sardyk Shear, 1990: 13 –15, 14: figs 2–5. Ancestreuma sardyk — Mikhaljova 2000: 156.

Remarks. Originally described in Diplomaragna (Shear 1990), this species has since been transferred to the restored Ancestreuma (Mikhaljova 2000) . The species is only known from Mongolia (Khubsugul Aimak: Munkhu- Sardyk Mountains; Uburkhangai Aimak: Ulaantsugalan Waterfalls).