Trabeculidium quinquetrum
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*quinquetrum Duxbury, 1980, p.133–134, pl.9, figs.1–2,5. Holotype: Duxbury, 1980, pl.9, fig.2; Fensome et al., 1995, fig.2 — p.1729. Originally (and now) Trabeculidium, subsequently Nematosphaeropsis. Lentin and Williams (1993, p.649) retained this species in Trabeculidium. Age: middle Barremian.
Parent: Trabeculidium