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Schizocystia rugosa

Schizocystia rugosa Cookson and Eisenack, 1962a, p.270, pl.37, figs.11–12.

Originally (and now) Schizocystia, subsequently Tetraporina (Acritarch). Backhouse (1988, p.115) retained this species in Schizocystia.
Taxonomic junior synonym: Schizocystia laevigata, according to Elsik (1968, p.286). Age: ?late Albian–Cenomanian.

Holotype: Cookson and Eisenack, 1962, pl.37, fig.11
Locus typicus: Fremantle Traffic Bridge Bore No. 5 at 100 ft
Stratum typicum: ?Late Albian-Cenomanian

Original description: Cookson and Eisenack, 1962, p.270
Sides of shell deeply concave, wall 3-4 Ám thick with strongly marked wavy ridges that run transversely or obliquely across the surface.
Dimensions: Holotype--72 Ám long, 52 Ám broad, width in middle 38 Ám.
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