Gonyaulax chaloneri Sarjeant, 1963

Now Rhaetogonyaulax rhaetica ssp. chaloneri. Originally Gonyaulax chaloneri, subsequently Rhaetogonyaulax chaloneri, thirdly Rhaetogonyaulax rhaetica var. chaloneri, fourthly (and now) Rhaetogonyaulax rhaetica ssp. chaloneri.

Holotype: Sarjeant, 1963, text-figs.2(right)-3
Age: Late Triassic