"Baltisphaeridium plicatum" (Maier, 1959, p.318, pl.33, fig.1) Downie and Sarjeant, 1965, p.94.
TYPE: Holotype: Maier, 1959, pl.33, fig.1. HISTORY: Originally Hystrichosphaeridium, subsequently (and now) Baltisphaeridium. SYNONYM(S): Taxonomic senior synonym (at subspecific rank): Hystrichosphaera ramosa var. gracilis (now Spiniferites ramosus subsp. gracilis), according to Sarjeant (1983, p.93). COMMENTS: This combination was not validly published in Downie and Sarjeant (1963, p.92), since these authors did not fully reference the basionym. AGE: mid Oligocene.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |