Batioladinium radiculatum, Davey, 1982

Originally Batioladinium, subsequently Imbatiodinium.
Tax. jr. synonym of Batioladinium (as Necrobroomea) longicornutum (Alberti, 1961) Brideaux, 1975, according to Below, 1990. Mehrotra and Sarjeant, 1984, transferred this species to Imbatodinium Vozzhennikova, 1967. Lentin and Williams, 1985, retained it in Batioladinium.

Holotype: Davey, 1982, pl. 5, fig. 8
Locus typicus: Haldager No.1 Borehole, Denmark
Stratum typicum: Ryazanian

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Original description: [Davey, 1982, p. 21]:

Diagnosis:
Shape: Basically elongate, dorso-ventrally flattened; broadest in the paracingular region. Apical horn long, gradually tapering and proximally merges with the main part of the cyst body; distal part is solid with internal vacuoles. Two relatively short antapical horns are present; they taper rapidly distally and are strongly vacuolate throughout. They may give rise to irregular branches or may be bifurcate.
Wall: Apparently autophragm only.
Paratabulation: Paracingulum may be defined by aligned granules.
Ornament: Epicyst mainly smooth to lightly punctate. Granules and tubercles gradually start to appear towards or in the paracingular region and become more abundant on the hypocyst.
Archaeopyle: Apical with deep parasulcal notch.