Dichadogonyaulax culmula subsp. curtospina

subsp. curtospina (Quattrocchio and Sarjeant, 1992, p.90 (al. 2-242), pl.6, figs.3,6) Lentin and Williams, 1993, p.178.  Holotype: Quattrocchio and Sarjeant, 1992, pl.6, fig.6.  Originally Dichadogonyaulax culmula var. curtospina, subsequently (and now) Dichadogonyaulax culmula subsp. curtospina.  Age: mid-late Tithonian. Parent: Dichadogonyaulax culmula