Systematophora vetuscula
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"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