Nexosispinum hesperus
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*hesperus Davey, 1979b, p.558, pl.6, figs.1–5. Emendation: Torricelli, 2000, p.262. Holotype: Davey, 1979b, pl.6, fig.5; Fensome et al., 1995, fig.3 — p.1541. Originally (and now) Nexosispinum, subsequently Kiokansium. Prössl (1990, p.104) retained this species in Nexosispinum. N.I.A. Age: early Aptian–early middle Albian.
Parent: Nexosispinum
Infrataxon List: