Canningia brevispinosa
From dinoflaj3
"?brevispinosa" (Pocock, 1962, p.81, pl.14, figs.222–223) Stover and Evitt, 1978, p.25. Emendation: Brideaux, 1977, p.15–16, as Tenua brevispinosa. Holotype: Pocock, 1962, pl.14, fig.222; Jansonius, 1986, pl.4, fig.6; Fauconnier and Masure, 2004, pl.14, figs.7–8. NOW Circulodinium. Originally Palaeohystrichophora, subsequently Tenua Eisenack, thirdly Canningia?, fourthly Cyclonephelium, fifthly (and now) Circulodinium. Questionable assignment: Stover and Evitt (1978, p.25). Age: Barremian.
Parent: Canningia