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Levisphaera crassicingulata
From Fensome et al., 2019:
Levisphaera crassicingulata ((Burger, 1980b, p.268, figs.4C,D1–2) Davey, 1988, p.40. Holotype: Burger, 1980b, figs.4D1–2;
Fensome et al., 1993a, figs.2–3 — p.1081. Originally Canningia, subsequently Batiacasphaera, thirdly (and now)
Levisphaera. Age: Berriasian–Valanginian
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Locus typicus: BMR Cape Weymouth 2, Carpentaria Basin, Cape York Peninsula, Queensland, Australia
Stratum typicum: Neocomian
Original description: Burger, 1980, p.268: Canningia crassicingulata
Rounded egg-shaped, without horns. Autophragm rigid, psilate, 1.5-2 µm thick, slightly thicker (up to 4 µm) in a broad cingular belt. Archaeopyle apical with a zigzag margin, outlining the presenca of 6 precingular paraplates; parasulcal notch usually present. Operculum not observed. No other traces of paratabulation visible. Apical diameter (5 dehisced specimens) 52-78 µm, width 50-69 µm.
Levisphaera crassicingulata ((Burger, 1980b, p.268, figs.4C,D1–2) Davey, 1988, p.40. Holotype: Burger, 1980b, figs.4D1–2;
Fensome et al., 1993a, figs.2–3 — p.1081. Originally Canningia, subsequently Batiacasphaera, thirdly (and now)
Levisphaera. Age: Berriasian–Valanginian
---------------------------------------------------------------------------------------------------
Locus typicus: BMR Cape Weymouth 2, Carpentaria Basin, Cape York Peninsula, Queensland, Australia
Stratum typicum: Neocomian
Original description: Burger, 1980, p.268: Canningia crassicingulata
Rounded egg-shaped, without horns. Autophragm rigid, psilate, 1.5-2 µm thick, slightly thicker (up to 4 µm) in a broad cingular belt. Archaeopyle apical with a zigzag margin, outlining the presenca of 6 precingular paraplates; parasulcal notch usually present. Operculum not observed. No other traces of paratabulation visible. Apical diameter (5 dehisced specimens) 52-78 µm, width 50-69 µm.