Rhaetogonyaulax rhaetica var. chaloneri (Sarjeant, 1963) Harland et al., 1975

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