"Cannosphaeropsis filamentosa" Cookson and Eisenack, 1958, p.47-48, pl.7, figs.8-9; pl.8, figs.1-2.
TYPE: Holotype: Cookson and Eisenack, 1958, pl.7, fig.9. HISTORY: NOW: Rigaudella. Originally Cannosphaeropsis, subsequently Adnatosphaeridium, thirdly (and now) Rigaudella. SYNONYM(S): Taxonomic junior synonym: Cannosphaeropsis perforata, according to Stancliffe and Sarjeant (1990, p.206). AGE: Mid-Late Jurassic.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |