Gonyaulacysta jurassica ssp. adecta var. longicornis

Originally Gonyaulax jurassica var. longicornis (Motile stage), subsequently Gonyaulacysta jurassica var. longicornis, thirdly Gonyaulacysta jurassica subsp. longicornis, fourthly (and now) Gonyaulacysta jurassica subsp. adecta var. longicornis.