Pterygostegia obliqua Murakami & Kawasawa, 1975

Pterygostegia obliqua Murakami & Kawasawa 1975: 192 –195, fig. 1. Pterygostegia obliqua— Murakami & Kawasawa 1976: 115; Mikhaljova 2000: 176. Diplopmaragna obliqua— Shear 1990: 38.

Distribution. Japan (Shikoku Island: Kôchi Prefecture).

Remarks. The species was originally described in Pterygostegia from caves of Kôchi Prefecture, Shikoku Island, Japan (Murakami & Kawasawa 1975), later transferred to the genus Diplomaragna (Shear 1990), and then it was returned to Pterygostegia (Mikhaljova 2000) . This cave inhabitant is only known from its terra typica.