Back
Gonyaulax tenuitabulata
Gonyaulax tenuitabulatum Gerlach 1961; Emendation: Sarjeant, 1984b, p.76, as Rhynchodiniopsis tenuitabulata.
Now Cribroperidinium. Originally Gonyaulax, subsequently Gonyaulacysta, thirdly Millioudodinium, fourthly (and now) Cribroperidinium, fifthly Rhynchodiniopsis.
Holotype: Gerlach, 1961, pl.25, figs.10-11
Locus typicus: Emsb³ren boring no. 7, NW Germany
Stratum typicum: Middle Oligocene-Middle Miocene
Translation Gerlach, 1961: Sarjeant, 1984
Original diagnosis: Gerlach, 1961, p. 160
Shell thin-walled, broadly spheroidal, with short, blunt apical horn. Tabulation pattern: 4", 6", 6""", 1p, 1pv, 1"""". Plates enclosed by low, narrow crests. Girdle furrow spiral, with an offset of about 1 1/2 furrow widths. Membrane finely granulate.
Now Cribroperidinium. Originally Gonyaulax, subsequently Gonyaulacysta, thirdly Millioudodinium, fourthly (and now) Cribroperidinium, fifthly Rhynchodiniopsis.
Holotype: Gerlach, 1961, pl.25, figs.10-11
Locus typicus: Emsb³ren boring no. 7, NW Germany
Stratum typicum: Middle Oligocene-Middle Miocene
Translation Gerlach, 1961: Sarjeant, 1984
Original diagnosis: Gerlach, 1961, p. 160
Shell thin-walled, broadly spheroidal, with short, blunt apical horn. Tabulation pattern: 4", 6", 6""", 1p, 1pv, 1"""". Plates enclosed by low, narrow crests. Girdle furrow spiral, with an offset of about 1 1/2 furrow widths. Membrane finely granulate.