"Oligosphaeridium? macrotubulum" (Neale and Sarjeant, 1962, p.452-455, pl.20, fig.7; text-fig.8a) Davey and Williams, 1966b, p.75.
TYPE: Holotype: Neale and Sarjeant, 1962, pl.20, fig.7; text-fig.8a. HISTORY: Originally Hystrichosphaeridium, subsequently Oligosphaeridium, thirdly Oligosphaeridium?. Questionable assignment: Stover and Evitt (1978, p.68-69). SYNONYM(S): Taxonomic senior synonym: Hystrichosphaeridium (as Oligosphaeridium) vasiformum, according to McIntyre and Brideaux (1980, p.21). AGE: Hauterivian.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |