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Gonyaulacysta jurassica subsp. brevis

"Gonyaulacysta jurassica subsp. brevis" (Johnson and Hills, 1973, p.206, pl.1, figs.11,14) Lentin and Williams, 1975, p.2151.

TYPE: Holotype: Johnson and Hills, 1973, pl.1, fig.14.

HISTORY: Originally Gonyaulacysta jurassica var. brevis, subsequently Gonyaulacysta jurassica subsp. brevis.

SYNONYM(S): Taxonomic senior synonym: Gonyaulax (now Gonyaulacysta) jurassica subsp. adecta var. longicornis, according to Sarjeant (1982b, p.31).

AGE: ?Late Callovian-Early Oxfordian.


Infraspecific taxa:


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