Rhynchodiniopsis sarjeantii subsp. sphaerica

"subsp. sphaerica" (Vozzhennikova, 1967, p.89, pl.25, figs.1-2; pl.28, fig.4; pl.32, figs.1-4) Sarjeant, 1982b, p.35.  Holotype: Vozzhennikova, 1967, pl.28, fig.4; Jan du Chêne et al., 1986a, pl.20, fig.9; lost according to Lentin and Vozzhennikova (1990, p.97).  Lectotype: Lentin and Vozzhennikova, 1990, pl.16, figs.1-2, designated by Lentin and Vozzhennikova (1990, p.97).  NOW Cribroperidinium sarjeantii subsp. sphaericum.  Originally Gonyaulax sarjeantii var. sphaerica (Appendix B), subsequently Gonyaulacysta sarjeantii subsp. sphaerica, thirdly Millioudodinium sarjeantii subsp. sphaericum, fourthly Rhynchodiniopsis sarjeantii subsp. sphaerica, fifthly Cribroperidinium? sarjeantii subsp. sphaericum, sixthly (and now) Cribroperidinium sarjeantii subsp. sphaericum.  Age: Tithonian. Parent: Rhynchodiniopsis sarjeantii