Quantouendinium trigonum

trigonum (Lang Yan et al., 1999, p.375,387–388, pl.3, figs.1–7) He Chengquan et al., 2009, p.306.  Holotype: Lang Yan et al., 1999, pl.3, fig.3.  Originally Nyktericysta, subsequently (and now) Quantouendinium.  Age: Early Cretaceous.

Parent: Quantouendinium