Wrevittia diutina ssp. diutina.

Autonym.
Originally Gonyaulacysta diutina subsp. diutina, subsequently (and now) Wrevittia? diutina subsp. diutina.

Holotype: Duxbury, 1977, pl.1, fig.3; text-fig.9; Jan du Chêne et al., 1986a, pl.41, figs.3–4.