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Rhaetogonyaulax arctica subsp. maculata
From Fensome et al., 2019:
Rhaetogonyaulax arctica ssp. maculata (Wiggins, 1973, p.4–5, pl.2, figs.10–12) Stover and Evitt, 1978, p.219. Holotype: Wiggins, 1973, pl.2, fig.10. Originally Shublikodinium arcticum var. maculatum, subsequently Shublikodinium arcticum subsp. maculatum, thirdly (and now) Rhaetogonyaulax arctica subsp. maculata. Age: Carnian.
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Locus typicus: North Slope of Alaska
Stratum typicum: Late Triassic
Original diagnosis: Wiggins, 1973, p.4: Shubikodinium arcticum ssp. maculatum
Same as for the genus with the following additional description, The cyst wall of this variety is characteristically covered with medium-relief, coarse grana and verrucae. This ornamentation is rather uniformly scattered over the entire cyst wall. Occasionally, a slight thickening is exhibited also at the plate margins. S. arcticum var. maculatum has a coarser, slightly more verrucate ornamentation than S. arcticum, and a less coarse, less verrucate ornamentation than S. verrucosum.
Rhaetogonyaulax arctica ssp. maculata (Wiggins, 1973, p.4–5, pl.2, figs.10–12) Stover and Evitt, 1978, p.219. Holotype: Wiggins, 1973, pl.2, fig.10. Originally Shublikodinium arcticum var. maculatum, subsequently Shublikodinium arcticum subsp. maculatum, thirdly (and now) Rhaetogonyaulax arctica subsp. maculata. Age: Carnian.
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Locus typicus: North Slope of Alaska
Stratum typicum: Late Triassic
Original diagnosis: Wiggins, 1973, p.4: Shubikodinium arcticum ssp. maculatum
Same as for the genus with the following additional description, The cyst wall of this variety is characteristically covered with medium-relief, coarse grana and verrucae. This ornamentation is rather uniformly scattered over the entire cyst wall. Occasionally, a slight thickening is exhibited also at the plate margins. S. arcticum var. maculatum has a coarser, slightly more verrucate ornamentation than S. arcticum, and a less coarse, less verrucate ornamentation than S. verrucosum.