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Hystrichosphaeridium valgum
Hystrichosphaeridium valgum Tasch, 1964
Taxonomic senior synonym: Hystrichosphaeridium (now Kiokansium) unituberculatum, according to Stover and Evitt (1978, p.267).
Holotype: Tasch, 1964, pl.2, fig.10
Locus typicus: Clark County, Kansas, U.S.A.
Stratum typicum: Albian
Original diagnosis: Tasch, 1964, p.192
Shell bagpipe-shaped, broadly tapered at one end and commashaped at the other end; bearing numerous thin processes with greatest density near and on the ends; extremities of processes flat or bifurcate.
Dimensions: Holotype: Length 62 Ám; width (maximum) 36 Ám; processes ranging in length from 8 11 to 12 Ám.
Taxonomic senior synonym: Hystrichosphaeridium (now Kiokansium) unituberculatum, according to Stover and Evitt (1978, p.267).
Holotype: Tasch, 1964, pl.2, fig.10
Locus typicus: Clark County, Kansas, U.S.A.
Stratum typicum: Albian
Original diagnosis: Tasch, 1964, p.192
Shell bagpipe-shaped, broadly tapered at one end and commashaped at the other end; bearing numerous thin processes with greatest density near and on the ends; extremities of processes flat or bifurcate.
Dimensions: Holotype: Length 62 Ám; width (maximum) 36 Ám; processes ranging in length from 8 11 to 12 Ám.