"Kiokansium vetusculum" (Davey, 1974, p.45, pl.1, figs.1-2) Stover and Williams, 1987, p.163.
TYPE: Holotype: Davey, 1974, pl.1, fig.2. HISTORY: NOW: Nexosispinum. Originally Adnatosphaeridium, subsequently Systematophora, thirdly (and now) Nexosispinum, fourthly Kiokansium. AGE: Early Barremian.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |