Lithodinia rioultii

"?rioultii" (Sarjeant, 1968, p.229) Gocht, 1976, p.334.  Holotype: Sarjeant, 1965, pl.1, fig.1.  NOW Meiourogonyaulax? Originally Meiourogonyaulax, subsequently Lithodinia, thirdly (and now) Meiourogonyaulax?, fourthly Lithodinia?.  Questionable assignment: Williams et al. (1993, p.56).  Age: early Callovian.

Parent: Lithodinia