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Lithodinia pertusa ssp. pertusa
Lithodinia pertusa ssp. pertusa
Autonym
Originally Meiourogonyaulax pertusa ssp. pertusa, subsequently (and now) Lithodinia pertusa ssp. pertusa.
Holotype: Duxbury, 1977, pl.8, fig.5, text-fig.15; Fensome et al., 1991, figs.1-3 - p.709; figs.1-3 - p.711
Locus typicus: Speeton, England
Stratum typicum: Berriasian-Hauterivian
Original diagnosis: Duxbury, 1977, p. 41-42
A fairly thick-walled proximate cyst. Test wall with very low sutural crests outlining the tabulation 4", 6"", 7c, 7""", 1p, 1pv, 1"""". Archaeopyle apical.
Dimensions: Holotype 76x81 µm; archaeopyle formed: 76(68)65x86(75)68 µm.
Autonym
Originally Meiourogonyaulax pertusa ssp. pertusa, subsequently (and now) Lithodinia pertusa ssp. pertusa.
Holotype: Duxbury, 1977, pl.8, fig.5, text-fig.15; Fensome et al., 1991, figs.1-3 - p.709; figs.1-3 - p.711
Locus typicus: Speeton, England
Stratum typicum: Berriasian-Hauterivian
Original diagnosis: Duxbury, 1977, p. 41-42
A fairly thick-walled proximate cyst. Test wall with very low sutural crests outlining the tabulation 4", 6"", 7c, 7""", 1p, 1pv, 1"""". Archaeopyle apical.
Dimensions: Holotype 76x81 µm; archaeopyle formed: 76(68)65x86(75)68 µm.