Plethysyrinx lata
From dinoflaj2
"lata" (Klumpp, 1953, p.392, pl.18, figs.8-10) Sarjeant, 1981, p.106. Emendation: Sarjeant, 1981, p.106-107, as Plethysyrinx lata - however, see Lentin and Williams (1985, p.72). Holotype: Klumpp, 1953, pl.18, figs.8-9. 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.
Parent: Plethysyrinx