Gonyaulacysta aculeata

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"aculeata" (Klement, 1960, p.42, pl.5, figs.6-9; text-fig.21) Sarjeant, 1969, p.8.  Holotype: Klement, 1960, pl.5, figs.6-7.  NOW Tehamadinium.  Originally Gonyaulax (Appendix B), subsequently Gonyaulacysta, thirdly Acanthaulax, fourthly Occisucysta, fifthly (and now) Tehamadinium.  This combination was not validly published in Sarjeant (1966b, p.130), since that author did not fully reference the basionym.  Age: Early Kimmeridgian.

Parent: Gonyaulacysta