Meiourogonyaulax cristulata

cristulata (Sarjeant, 1959, p.332–334, pl.13, fig.2; text-fig.2) Sarjeant, 1969, p.14.  Holotype: Sarjeant, 1959, pl.13, fig.2; text-fig.2.  Originally Gonyaulax? (Appendix B), subsequently Meiourogonyaulax?, thirdly Lithodinia?, fourthly (and now) Meiourogonyaulax, fifthly Lithodinia.  This species is here retained in Meiourogonyaulax following the retention of the genus by Riding and Helby (2001d, p.81,83).  Questionable assignment: Sarjeant (1969, p.14) — however, Stover and Evitt (1978, p.63) retained it in Meiourogonyaulax without question.  This combination was not validly published in Sarjeant (1966b, p.146), since that author did not fully reference the basionym.  Age: early Callovian.

Parent: Meiourogonyaulax