Disphaerogena lemniscata (Corradini, 1973, p.152-153, pl.22, figs.4a-b,5; pl.33, figs.2,4; pl.39, fig.2) Lentin and Williams, 1989, p.118.
TYPE: Holotype: Corradini, 1973 pl.22, fig.5; Fensome et al., 1995, fig.3 - p.1601. HISTORY: Originally Cordosphaeridium, subsequently Cordosphaeridium?, thirdly Plethysyrinx, fourthly Cyclapophysis, fifthly (and now) Disphaerogena. AGE: Late Cretaceous-Paleocene.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |