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Hystrichosphaeridium aruncium
Hystrichosphaeridium aruncium Tasch, 1964
Taxonomic senior synonym: Hystrichosphaeridium (as and now Kiokansium) unituberculatum, according to Stover and Evitt (1978, p.267).
Holotypus: Tasch, 1964, pl.3, fig.12
Locus typicus: Clark County, Kansas, USA
Stratum typicum: Albian
Original diagnosis: Tasch, 1964, p.193
Subovate capsule bearing several plates, from the inner area of which arise short, flat-ended processes.
Dimensions: Holotype: Length 44 Ám; width 30 Ám; length of processes, 5-7 Ám; thickness of processes 1 Ám; density of processes 1 per 5 Ám of edge.
Taxonomic senior synonym: Hystrichosphaeridium (as and now Kiokansium) unituberculatum, according to Stover and Evitt (1978, p.267).
Holotypus: Tasch, 1964, pl.3, fig.12
Locus typicus: Clark County, Kansas, USA
Stratum typicum: Albian
Original diagnosis: Tasch, 1964, p.193
Subovate capsule bearing several plates, from the inner area of which arise short, flat-ended processes.
Dimensions: Holotype: Length 44 Ám; width 30 Ám; length of processes, 5-7 Ám; thickness of processes 1 Ám; density of processes 1 per 5 Ám of edge.