Systematophora vetuscula

"vetuscula" (Davey, 1974, p.45, pl.1, figs.1-2) Duxbury, 1977, p.51.  Holotype: Davey, 1974, pl.1, fig.2.  NOW Nexosispinum.  Originally Adnatosphaeridium, subsequently Systematophora, thirdly (and now) Nexosispinum, fourthly Kiokansium.  Age: Early Barremian.

Parent: Systematophora