Hystrichostrogylon holohymenium

holohymenium Islam, 1983a, p.238,240, pl.3, figs.5–7 (not 4–6 as indicated by Islam, 1983a, p.238); text-fig.3. Holotype: Islam, 1983a, pl.3, fig.5 (not 4 as indicated by Islam, 1983a, p.238). Age: early Eocene.