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Hystrichosphaeridium perovatum
Hystrichosphaeridium perovatum Tasch, 1964
Originally Hystrichosphaeridium, subsequently Polysphaeridium?.
Tax. jr. synonym of Hystrichosphaeridium (now Kiokansium) unituberculatum Tasch, 1964, according to Stover and Evitt, 1978.
Holotype: Tasch, 1964, pl.3, fig.13
Locus typicus: Clark County, Kansas, USA
Stratum typicum: Albian
Original diagnosis: Tasch, 1964, p.194
Egg-shaped capsule bearing elongate, tubular, flat-ended processes, and filamentous processes that are bifurcate or pointed at terminations.
Dimensions: Holotype: Length 52 µm; width 38 µm; length of processes 10-14 µm; thickness of processes 1 µm; density of processes 1.5 per 5 µm of edge.
Originally Hystrichosphaeridium, subsequently Polysphaeridium?.
Tax. jr. synonym of Hystrichosphaeridium (now Kiokansium) unituberculatum Tasch, 1964, according to Stover and Evitt, 1978.
Holotype: Tasch, 1964, pl.3, fig.13
Locus typicus: Clark County, Kansas, USA
Stratum typicum: Albian
Original diagnosis: Tasch, 1964, p.194
Egg-shaped capsule bearing elongate, tubular, flat-ended processes, and filamentous processes that are bifurcate or pointed at terminations.
Dimensions: Holotype: Length 52 µm; width 38 µm; length of processes 10-14 µm; thickness of processes 1 µm; density of processes 1.5 per 5 µm of edge.