Gonyaulacysta jurassica

*jurassica (Deflandre, 1939a, p.168, pl.6, figs.2–5; text-figs.1–2) Norris and Sarjeant, 1965, p.65.  Emendation: Sarjeant, 1982b, p.28–30, as Gonyaulacysta jurassica.  Holotype: Deflandre, 1939a, pl.6, figs.2–3; text-figs.1–2; Jan du Chêne et al., 1986a, pl.37, figs.1–3.  Originally Gonyaulax (Appendix B), subsequently (and now) Gonyaulacysta.  Taxonomic junior synonym: Psaligonyaulax (as and now Gonyaulacysta) dualis, according to Sarjeant (1982b, p.29) — however, Jan du Chêne et al. (1986a, p.131) retained Gonyaulacysta dualis.  Górka (1965, p.298) also proposed this combination.  Age: Oxfordian.

Parent: Gonyaulacysta

Infrataxon List:

Gonyaulacysta jurassica subsp. adecta
"Gonyaulacysta jurassica subsp. brevis"
Gonyaulacysta jurassica subsp. desmos
Gonyaulacysta jurassica subsp. jurassica
"Gonyaulacysta jurassica subsp. longicornis"
"Gonyaulacysta jurassica var. brevis"
Gonyaulacysta jurassica var. longicornis
Gonyaulacysta jurassica var. quadrata