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Hystrichosphaeridium dispare
Hystrichosphaeridium dispare Tasch, 1964
Originally Hystrichosphaeridium, subsequently Oligosphaeridium?.
Taxonomic senior synonym: Hystrichosphaeridium (subsequently Oligosphaeridium) albertense, by implication in Stover and Evitt (1978, p.69), who considered Hystrichosphaeridium dispare to be a taxonomic junior synonym of Hystrichosphaeridium (subsequently Oligosphaeridium) irregulare, which is now a taxonomic junior synonym of Hystrichosphaeridium (now Oligosphaeridium) albertense.
Holotype: Tasch, 1964, pl.2, fig.8
Locus typicus: Clark County, Kansas, USA
Stratum typicum: Albian
Original diagnosis: Tasch, 1964, p.195
Subelliptical capsule with sparse, thick processes that slightly expand and are flat-ended with their terminations recurved; six to eight processes spaced on body in pairs or singly.
Dimensions: Holotype: Length (exclusive of processes) 42 Ám; width 30 Ám; length of processes 12-22 Ám; average thickness of processes, 4-7 Ám; maximum length of terminal flare of processes 18 Ám.
Originally Hystrichosphaeridium, subsequently Oligosphaeridium?.
Taxonomic senior synonym: Hystrichosphaeridium (subsequently Oligosphaeridium) albertense, by implication in Stover and Evitt (1978, p.69), who considered Hystrichosphaeridium dispare to be a taxonomic junior synonym of Hystrichosphaeridium (subsequently Oligosphaeridium) irregulare, which is now a taxonomic junior synonym of Hystrichosphaeridium (now Oligosphaeridium) albertense.
Holotype: Tasch, 1964, pl.2, fig.8
Locus typicus: Clark County, Kansas, USA
Stratum typicum: Albian
Original diagnosis: Tasch, 1964, p.195
Subelliptical capsule with sparse, thick processes that slightly expand and are flat-ended with their terminations recurved; six to eight processes spaced on body in pairs or singly.
Dimensions: Holotype: Length (exclusive of processes) 42 Ám; width 30 Ám; length of processes 12-22 Ám; average thickness of processes, 4-7 Ám; maximum length of terminal flare of processes 18 Ám.