"Baltisphaeridium palmatum" (Deflandre and Courteville, 1939, p.101, pl.3, fig.1) Downie and Sarjeant, 1965, p.93.
TYPE: Holotype: Deflandre and Courteville, 1939, pl.3, fig.1. HISTORY: Originally Hystrichosphaeridium, subsequently Baltisphaeridium, thirdly Exochosphaeridium, fourthly Exochosphaeridium?. SYNONYM(S): Taxonomic senior synonym: Hystrichosphaeridium (now Pervosphaeridium) pseudhystrichodinium Deflandre, 1937b, according to Yun Hyesu (1981, p.29). COMMENTS: This combination was not validly published in Downie and Sarjeant (1963, p.91), since these authors did not fully reference the basionym. AGE: Late Cretaceous.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |