"Cannosphaeropsis perforata" Alberti, 1961, p.37, pl.9, fig.14.
TYPE: Holotype: Alberti, 1961, pl.9, fig.14. HISTORY: Originally Cannosphaeropsis, subsequently Adnatosphaeridium, thirdly Rigaudella. SYNONYM(S): Taxonomic senior synonym: Cannosphaeropsis (now Rigaudella) filamentosa, according to Stancliffe and Sarjeant (1990, p.206). AGE: ?Callovian.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |