*Levisphaera crassicingulata (Burger, 1980b, p.268, figs.4C,D1-2) Davey, 1988, p.40.
TYPE: Holotype: Burger, 1980b, figs. 4D1-2; Fensome et al., 1993a, figs.2-3 - p.1081. HISTORY: Originally Canningia, subsequently Batiacasphaera, thirdly (and now) Levisphaera. AGE: Berriasian-Valanginian.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |