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Hystrichosphaeridium hirsutum ssp. amplum
Hystrichosphaeridium hirsutum ssp. amplum W. Wetzel, 1955
Name not validly published, since the species name Hystrichosphaeridium hirsutum is not validly published.
Now Operculodinium centrocarpum ssp. amplum. Originally Hystrichosphaeridium hirsutum ssp. amplum (name not validly published), subsequently (and now) Operculodinium centrocarpum ssp. amplum. See also Baltisphaeridium hirsutum ssp. amplum (name not validly published) and Operculodinium? hirsutum ssp. amplum (name not validly published).
Holotype: W. Wetzel, 1955, text-fig.11; Sarjeant, 1984, pl.3, figs.1-3; text-fig.4
Locus typicus: Katharinenhof, Island of Fehrmarn, Germany
Stratum typicum: Danian
Translation W.Wetzel, 1952: Sarjeant, 1984
Original diagnosis: W. Wetzel, 1952, p. 38
An analogous case to the form described above [Hystrichosphaeridium pseudhystrichodinium magnum] exists, since to the small-sized Senonian species may be allocated, as subspecies, the Danian forms, which in terms of dimensions almost equal the subspecies pseudhystrichodinium magnum, [but] which however approach, in their dense and fine spinosity, the older species hirtum [sic]. The maximum diameter attains 132 µm, with 96 µm capsule diameter.
Name not validly published, since the species name Hystrichosphaeridium hirsutum is not validly published.
Now Operculodinium centrocarpum ssp. amplum. Originally Hystrichosphaeridium hirsutum ssp. amplum (name not validly published), subsequently (and now) Operculodinium centrocarpum ssp. amplum. See also Baltisphaeridium hirsutum ssp. amplum (name not validly published) and Operculodinium? hirsutum ssp. amplum (name not validly published).
Holotype: W. Wetzel, 1955, text-fig.11; Sarjeant, 1984, pl.3, figs.1-3; text-fig.4
Locus typicus: Katharinenhof, Island of Fehrmarn, Germany
Stratum typicum: Danian
Translation W.Wetzel, 1952: Sarjeant, 1984
Original diagnosis: W. Wetzel, 1952, p. 38
An analogous case to the form described above [Hystrichosphaeridium pseudhystrichodinium magnum] exists, since to the small-sized Senonian species may be allocated, as subspecies, the Danian forms, which in terms of dimensions almost equal the subspecies pseudhystrichodinium magnum, [but] which however approach, in their dense and fine spinosity, the older species hirtum [sic]. The maximum diameter attains 132 µm, with 96 µm capsule diameter.