Diacanthum argentinum

argentinum Quattrocchio and Sarjeant, 1992, p.86–87(al. 2–238 — 2–239), pl.4, figs.10–13; pl.6, fig.4; text-figs.8A–B.  Holotype: Quattrocchio and Sarjeant, 1992, pl.6, fig.4.  Age: middle-late Tithonian.

Parent: Diacanthum