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Pluriarvalium osmingtonense ssp. osmingtonense
Pluravalium osmingtonense ssp. osmingtonense
Autonym.
Originally Pareodinia osmingtonensis ssp. osmingtonensis, subsequently (and
now) Pluriarvalium osmingtonense ssp. osmingtonense.
Holotype: Sarjeant, 1962, pl.1, fig.6
Locus typicus: Osmington Mills, Dorset, England
Stratum typicum: Late Oxfordian
Original diagnosis: A species of Pluriarvalium having an ovoidal theca with well developed apical horn, a narrow transverse and broader longitudinal furrow, the latter with a relatively brief hypothecal extension. The sutures and furrow marginsbearlow crests from which short, simple spines arise. Tabulation: ? 5", 2a, 6", 6""", 1p, 1pv, ?7pc, 1"""". Plate 1""" is reduced.
Dimensions: Holotype: Overall length 115µm; length of horn 23µm;overall breadth 75µm; sutural spines ca. 1µm in length. Range: overall length 100-125µm.
Autonym.
Originally Pareodinia osmingtonensis ssp. osmingtonensis, subsequently (and
now) Pluriarvalium osmingtonense ssp. osmingtonense.
Holotype: Sarjeant, 1962, pl.1, fig.6
Locus typicus: Osmington Mills, Dorset, England
Stratum typicum: Late Oxfordian
Original diagnosis: A species of Pluriarvalium having an ovoidal theca with well developed apical horn, a narrow transverse and broader longitudinal furrow, the latter with a relatively brief hypothecal extension. The sutures and furrow marginsbearlow crests from which short, simple spines arise. Tabulation: ? 5", 2a, 6", 6""", 1p, 1pv, ?7pc, 1"""". Plate 1""" is reduced.
Dimensions: Holotype: Overall length 115µm; length of horn 23µm;overall breadth 75µm; sutural spines ca. 1µm in length. Range: overall length 100-125µm.