"Areosphaeridium diktyoplokum subsp. latum" (Klumpp, 1953, p.392, pl.18, figs.8-10) Lentin and Williams, 1973, p.16.
EMENDATION: Sarjeant, 1981, p.106-107, as Plethysyrinx lata - however, see Lentin and Williams (1985, p.72). TYPE: Holotype: Klumpp, 1953, pl.18, figs.8-9. HISTORY: NOW: Cordosphaeridium latum. Originally Hystrichosphaeridium diktyoplokum subsp. latum, subsequently Cordosphaeridium diktyoplokum subsp. latum, thirdly Areosphaeridium diktyoplokum subsp. latum, fourthly Plethysyrinx? lata, fifthly (and now) Cordosphaeridium latum. AGE: Eocene.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |