Gonyaulacysta tenuiceras

"?tenuiceras" (Eisenack, 1958a, p.389–391, pl.21, figs.14–15; pl.22, figs.1–3; pl.24, fig.2; text-figs.4a–c,5) Sarjeant, 1969, p.11.  Emendations: Sarjeant, 1985a, p.63,65–66, as Acanthaulax? tenuiceras; Jan du Chêne et al., 1986b, p.29–30, as Tehamadinium tenuiceras. Holotype: Eisenack, 1958a, pl.21, fig.15; Sarjeant, 1985a, pl.6, figs.1–2; text-fig.3; Jan du Chêne et al., 1986a, pl.118, fig.1; Jan du Chêne et al., 1986b, pl.24, fig.5.  NOW Cribroperidinium?.  Originally Gonyaulax (Appendix B), subsequently Gonyaulacysta?, thirdly Diacanthum, fourthly Occisucysta, fifthly Acanthaulax?, sixthly Tehamadinium, seventhly (and now) Cribroperidinium?.  Questionable assignment: Sarjeant (1969, p.11).  Taxonomic junior synonym: Occisucysta victorii, according to Pöthe de Baldis and Ramos (1988, p.33).  This combination was not validly published in Sarjeant (1966b, p.131), since that author did not fully reference the basionym.  Age: late Barremian–Aptian.

Parent: Gonyaulacysta