*Nexosispinum hesperus Davey, 1979b, p.558, pl.6, figs.1-5.
TYPE: Holotype: Davey, 1979b, pl.6, fig.5; Fensome et al., 1995, fig.3 - p.1541. HISTORY: Originally (and now) Nexosispinum, subsequently Kiokansium. Prössl (1990, p.104) retained this species in Nexosispinum. ETYMOLOGY: N.I.A. AGE: Early Aptian-early Mid Albian.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |