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Votadinium elongatum
Votadinium elongatum He Chengquan and Sun Xuekun, 1991, p.297, pl.2, figs.11–12.
Holotype: He Chengquan and Sun Xuekun, 1991, pl.2, fig.11.
Age: Quaternary.
Original description (He Chengquan and Sun Xuekun, 1991)
Cyst proximate, elongate peridinioid, compressed dorsoventrally with cingular area rounded. Epicyst bearing a conspicuous apical horn, cylindrical to conical. Hypocyst extending straight-backwards two blunt antapical horns of approximately equal size, forming U-shaped antapical concavity. Wall thin, 0.5-1 µm thick, single-layered or with two layers closely appressed, light brown to pale yellow in color, surface smooth or with several secondary folds. Paracingulum sometimes faintly expressed or marked, on the type specimen, by a transverse equatorial fold. Parasulcus deep, restricted to hypocyst and broader posteriorly. Archeopyle, when present, intercalary, subcircular in outline, formed by loss of large paraplate 2a. Operculum free or lying within cyst.
Dimensions: Cyst length 70-77 µm, breath 40-49 µm, apical horn 6-10 µm long, antapical horns 11-14 µm and 16 µm long respectively. Holotype: cyst length 70 µm, breadth 40 µm, apical horn about 10 µm long, antapical horns 14 µm and 16 µm long respectively.
Distribution: Cyst similar to the present new species were found in the Galway, Eire, and the Outer Hebrides, Britain. Recent.
Holotype: He Chengquan and Sun Xuekun, 1991, pl.2, fig.11.
Age: Quaternary.
Original description (He Chengquan and Sun Xuekun, 1991)
Cyst proximate, elongate peridinioid, compressed dorsoventrally with cingular area rounded. Epicyst bearing a conspicuous apical horn, cylindrical to conical. Hypocyst extending straight-backwards two blunt antapical horns of approximately equal size, forming U-shaped antapical concavity. Wall thin, 0.5-1 µm thick, single-layered or with two layers closely appressed, light brown to pale yellow in color, surface smooth or with several secondary folds. Paracingulum sometimes faintly expressed or marked, on the type specimen, by a transverse equatorial fold. Parasulcus deep, restricted to hypocyst and broader posteriorly. Archeopyle, when present, intercalary, subcircular in outline, formed by loss of large paraplate 2a. Operculum free or lying within cyst.
Dimensions: Cyst length 70-77 µm, breath 40-49 µm, apical horn 6-10 µm long, antapical horns 11-14 µm and 16 µm long respectively. Holotype: cyst length 70 µm, breadth 40 µm, apical horn about 10 µm long, antapical horns 14 µm and 16 µm long respectively.
Distribution: Cyst similar to the present new species were found in the Galway, Eire, and the Outer Hebrides, Britain. Recent.