"Geodia? irregularis" Merrill, 1895, p.16; text-fig.4.
TYPE: Holotype: Merrill, 1895, text-fig.4. HISTORY: Originally Geodia? irregularis, subsequently Hystrichosphaeridium irregulare (combination illegitimate), thirdly Hystrichosphaeridium? irregulare (combination illegitimate), fourthly Hystrichosphaeridium speciale. Questionable assignment: Merrill (1895, p.16). SYNONYM(S): Taxonomic senior synonym (at specific rank): Xanthidium tubiferum var. complex (now Oligosphaeridium complex), according to Harker and Sarjeant in Harker et al. (1990, p.59). AGE: Early Cretaceous.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |