Nexosispinum vetusculum

vetusculum (Davey, 1974, p.45, pl.1, figs.1–2) Davey, 1979b, p.558.  Holotype: Davey, 1974, pl.1, fig.2.  Originally Adnatosphaeridium, subsequently Systematophora, thirdly (and now) Nexosispinum, fourthly Kiokansium.  Prössl (1990, p.104) retained this species in Nexosispinum.  Age: early Barremian.

Parent: Nexosispinum