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Pentafidia punctata
From Fensome et al., 2019:
Pentafidia punctata Backhouse, 1988, p.105, pl.38, figs.1–7; pl.50, figs.4–6 (not figs.3–4); text-figs.31D–E. Holotype: Backhouse, 1988, pl.38, fig.1; text-fig.31D; Fensome et al., 1996, figs.1,9 — p.2307. Age: late Tithonian–?earliest Valanginian.
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Locus typicus: Perth Basin, Western Australia
Stratum typicum: Late Thithonian-?earliest Valanginian
Original description: Backhouse, 1988, p.105
Medium to small subspherical cysts.
Wall: Autophragm less than 0.5 µm thick, usually irregularly folded, bearing numerous fine evenly spaced punctae.
Paratabulation: indicated only by archeopyle.
Paracingulum and parasulcus not indicated.
Archeopyle: apical, type [tA], operculum free. Primary archeopyle suture and deep gaping acccssory sutures delimit 5 precingular paraplates, configuration as for P. charlottensis.
Sulcal notch modcrately deep, 1 to 3 µm wide.
Operculum: probably composed of 4 fused paraplates.
Dimensions:
Length of holotype without operculum 46 µm, width 58 µm. Range of length without operculum (39 specimens) 38(47)55 µm, width 48(58)64 µm.
Affinities:
Backhouse, 1988, p.105: Pentafidia punctata is distinguished from P. charlottensis by its thin punctate autophragm, more spherical shape? and gaping accessory sutures.
Pentafidia punctata Backhouse, 1988, p.105, pl.38, figs.1–7; pl.50, figs.4–6 (not figs.3–4); text-figs.31D–E. Holotype: Backhouse, 1988, pl.38, fig.1; text-fig.31D; Fensome et al., 1996, figs.1,9 — p.2307. Age: late Tithonian–?earliest Valanginian.
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Locus typicus: Perth Basin, Western Australia
Stratum typicum: Late Thithonian-?earliest Valanginian
Original description: Backhouse, 1988, p.105
Medium to small subspherical cysts.
Wall: Autophragm less than 0.5 µm thick, usually irregularly folded, bearing numerous fine evenly spaced punctae.
Paratabulation: indicated only by archeopyle.
Paracingulum and parasulcus not indicated.
Archeopyle: apical, type [tA], operculum free. Primary archeopyle suture and deep gaping acccssory sutures delimit 5 precingular paraplates, configuration as for P. charlottensis.
Sulcal notch modcrately deep, 1 to 3 µm wide.
Operculum: probably composed of 4 fused paraplates.
Dimensions:
Length of holotype without operculum 46 µm, width 58 µm. Range of length without operculum (39 specimens) 38(47)55 µm, width 48(58)64 µm.
Affinities:
Backhouse, 1988, p.105: Pentafidia punctata is distinguished from P. charlottensis by its thin punctate autophragm, more spherical shape? and gaping accessory sutures.